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Finding the Fourth Proportional to 15,572,238.20, 23,358,357.30 and 15,572,238.20

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Solution

The fourth proportional to 15,572,238.20, 23,358,357.30 and 15,572,238.20 is: 23,358,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572,238.20 : 23,358,357.30 = 15,572,238.20 : x
  2. Step 2: Convert to fraction form
    15,572,238.20/23,358,357.30 = 15,572,238.20/x
  3. Step 3: Cross multiply
    15,572,238.20x = 23,358,357.30 × 15,572,238.20
  4. Step 4: Simplify right side
    15,572,238.20x = 363,741,903,836,308.88
  5. Step 5: Solve for x
    x = 363,741,903,836,308.88/15,572,238.20
  6. Step 6: Final answer
    x = 23,358,357.30

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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.