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Finding the Fourth Proportional to 10,434,596.20, 15,651,894.30 and 10,434,596.20

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Solution

The fourth proportional to 10,434,596.20, 15,651,894.30 and 10,434,596.20 is: 15,651,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434,596.20 : 15,651,894.30 = 10,434,596.20 : x
  2. Step 2: Convert to fraction form
    10,434,596.20/15,651,894.30 = 10,434,596.20/x
  3. Step 3: Cross multiply
    10,434,596.20x = 15,651,894.30 × 10,434,596.20
  4. Step 4: Simplify right side
    10,434,596.20x = 163,321,196,785,581.66
  5. Step 5: Solve for x
    x = 163,321,196,785,581.66/10,434,596.20
  6. Step 6: Final answer
    x = 15,651,894.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.