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Finding the Fourth Proportional to 86,713.98, 130,070.97 and 24,384.48

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Solution

The fourth proportional to 86,713.98, 130,070.97 and 24,384.48 is: 36,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,713.98 : 130,070.97 = 24,384.48 : x
  2. Step 2: Convert to fraction form
    86,713.98/130,070.97 = 24,384.48/x
  3. Step 3: Cross multiply
    86,713.98x = 130,070.97 × 24,384.48
  4. Step 4: Simplify right side
    86,713.98x = 3,171,712,966.55
  5. Step 5: Solve for x
    x = 3,171,712,966.55/86,713.98
  6. Step 6: Final answer
    x = 36,576.72

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Similar ratio
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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.