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Finding the Fourth Proportional to 86,602.71, 129,889.42 and 24,258.87

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Solution

The fourth proportional to 86,602.71, 129,889.42 and 24,258.87 is: 36,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,602.71 : 129,889.42 = 24,258.87 : x
  2. Step 2: Convert to fraction form
    86,602.71/129,889.42 = 24,258.87/x
  3. Step 3: Cross multiply
    86,602.71x = 129,889.42 × 24,258.87
  4. Step 4: Simplify right side
    86,602.71x = 3,150,970,554.16
  5. Step 5: Solve for x
    x = 3,150,970,554.16/86,602.71
  6. Step 6: Final answer
    x = 36,384.20

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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.