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Finding the Fourth Proportional to 59,471.70, 89,207.53 and 17,918.70

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Solution

The fourth proportional to 59,471.70, 89,207.53 and 17,918.70 is: 26,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,471.70 : 89,207.53 = 17,918.70 : x
  2. Step 2: Convert to fraction form
    59,471.70/89,207.53 = 17,918.70/x
  3. Step 3: Cross multiply
    59,471.70x = 89,207.53 × 17,918.70
  4. Step 4: Simplify right side
    59,471.70x = 1,598,482,967.81
  5. Step 5: Solve for x
    x = 1,598,482,967.81/59,471.70
  6. Step 6: Final answer
    x = 26,878.04

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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.