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Finding the Fourth Proportional to 46,894.76, 70,349.09 and 13,615.10

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Solution

The fourth proportional to 46,894.76, 70,349.09 and 13,615.10 is: 20,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,894.76 : 70,349.09 = 13,615.10 : x
  2. Step 2: Convert to fraction form
    46,894.76/70,349.09 = 13,615.10/x
  3. Step 3: Cross multiply
    46,894.76x = 70,349.09 × 13,615.10
  4. Step 4: Simplify right side
    46,894.76x = 957,809,475.44
  5. Step 5: Solve for x
    x = 957,809,475.44/46,894.76
  6. Step 6: Final answer
    x = 20,424.66

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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.