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Finding the Fourth Proportional to 53,432.22, 73,737 and 29,232.72

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Solution

The fourth proportional to 53,432.22, 73,737 and 29,232.72 is: 40,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,432.22 : 73,737 = 29,232.72 : x
  2. Step 2: Convert to fraction form
    53,432.22/73,737 = 29,232.72/x
  3. Step 3: Cross multiply
    53,432.22x = 73,737 × 29,232.72
  4. Step 4: Simplify right side
    53,432.22x = 2,155,533,074.64
  5. Step 5: Solve for x
    x = 2,155,533,074.64/53,432.22
  6. Step 6: Final answer
    x = 40,341.45

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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.