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Finding the Fourth Proportional to 29,697.83, 40,981.80 and 17,758.83

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Solution

The fourth proportional to 29,697.83, 40,981.80 and 17,758.83 is: 24,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,697.83 : 40,981.80 = 17,758.83 : x
  2. Step 2: Convert to fraction form
    29,697.83/40,981.80 = 17,758.83/x
  3. Step 3: Cross multiply
    29,697.83x = 40,981.80 × 17,758.83
  4. Step 4: Simplify right side
    29,697.83x = 727,788,819.29
  5. Step 5: Solve for x
    x = 727,788,819.29/29,697.83
  6. Step 6: Final answer
    x = 24,506.47

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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.