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Finding the Fourth Proportional to 86,681.70, 130,022.55 and 24,352.20

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Solution

The fourth proportional to 86,681.70, 130,022.55 and 24,352.20 is: 36,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,681.70 : 130,022.55 = 24,352.20 : x
  2. Step 2: Convert to fraction form
    86,681.70/130,022.55 = 24,352.20/x
  3. Step 3: Cross multiply
    86,681.70x = 130,022.55 × 24,352.20
  4. Step 4: Simplify right side
    86,681.70x = 3,166,335,142.11
  5. Step 5: Solve for x
    x = 3,166,335,142.11/86,681.70
  6. Step 6: Final answer
    x = 36,528.30

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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.