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Finding the Fourth Proportional to 59,170.76, 81,666.20 and 34,970.74

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Solution

The fourth proportional to 59,170.76, 81,666.20 and 34,970.74 is: 48,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,170.76 : 81,666.20 = 34,970.74 : x
  2. Step 2: Convert to fraction form
    59,170.76/81,666.20 = 34,970.74/x
  3. Step 3: Cross multiply
    59,170.76x = 81,666.20 × 34,970.74
  4. Step 4: Simplify right side
    59,170.76x = 2,855,927,446.99
  5. Step 5: Solve for x
    x = 2,855,927,446.99/59,170.76
  6. Step 6: Final answer
    x = 48,265.86

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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.