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Finding the Fourth Proportional to 61,528.71, 84,909.68 and 33,234.40

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Solution

The fourth proportional to 61,528.71, 84,909.68 and 33,234.40 is: 45,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,528.71 : 84,909.68 = 33,234.40 : x
  2. Step 2: Convert to fraction form
    61,528.71/84,909.68 = 33,234.40/x
  3. Step 3: Cross multiply
    61,528.71x = 84,909.68 × 33,234.40
  4. Step 4: Simplify right side
    61,528.71x = 2,821,921,890.55
  5. Step 5: Solve for x
    x = 2,821,921,890.55/61,528.71
  6. Step 6: Final answer
    x = 45,863.50

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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.