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Finding the Fourth Proportional to 53,478.66, 73,800.96 and 29,605.71

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Solution

The fourth proportional to 53,478.66, 73,800.96 and 29,605.71 is: 40,856.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,478.66 : 73,800.96 = 29,605.71 : x
  2. Step 2: Convert to fraction form
    53,478.66/73,800.96 = 29,605.71/x
  3. Step 3: Cross multiply
    53,478.66x = 73,800.96 × 29,605.71
  4. Step 4: Simplify right side
    53,478.66x = 2,184,929,819.48
  5. Step 5: Solve for x
    x = 2,184,929,819.48/53,478.66
  6. Step 6: Final answer
    x = 40,856.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.