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Finding the Fourth Proportional to 59,397.30, 89,081.57 and 21,961.63

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Solution

The fourth proportional to 59,397.30, 89,081.57 and 21,961.63 is: 32,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,397.30 : 89,081.57 = 21,961.63 : x
  2. Step 2: Convert to fraction form
    59,397.30/89,081.57 = 21,961.63/x
  3. Step 3: Cross multiply
    59,397.30x = 89,081.57 × 21,961.63
  4. Step 4: Simplify right side
    59,397.30x = 1,956,376,646.42
  5. Step 5: Solve for x
    x = 1,956,376,646.42/59,397.30
  6. Step 6: Final answer
    x = 32,937.13

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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.