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Finding the Fourth Proportional to 71,508.66, 107,262.16 and 17,473.79

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Solution

The fourth proportional to 71,508.66, 107,262.16 and 17,473.79 is: 26,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,508.66 : 107,262.16 = 17,473.79 : x
  2. Step 2: Convert to fraction form
    71,508.66/107,262.16 = 17,473.79/x
  3. Step 3: Cross multiply
    71,508.66x = 107,262.16 × 17,473.79
  4. Step 4: Simplify right side
    71,508.66x = 1,874,276,683.26
  5. Step 5: Solve for x
    x = 1,874,276,683.26/71,508.66
  6. Step 6: Final answer
    x = 26,210.49

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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.