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Finding the Fourth Proportional to 86,695.50, 130,043.25 and 24,366

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Solution

The fourth proportional to 86,695.50, 130,043.25 and 24,366 is: 36,549

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,695.50 : 130,043.25 = 24,366 : x
  2. Step 2: Convert to fraction form
    86,695.50/130,043.25 = 24,366/x
  3. Step 3: Cross multiply
    86,695.50x = 130,043.25 × 24,366
  4. Step 4: Simplify right side
    86,695.50x = 3,168,633,829.50
  5. Step 5: Solve for x
    x = 3,168,633,829.50/86,695.50
  6. Step 6: Final answer
    x = 36,549

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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.