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Finding the Fourth Proportional to 87,300.40, 130,950.60 and 24,970.90

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Solution

The fourth proportional to 87,300.40, 130,950.60 and 24,970.90 is: 37,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,300.40 : 130,950.60 = 24,970.90 : x
  2. Step 2: Convert to fraction form
    87,300.40/130,950.60 = 24,970.90/x
  3. Step 3: Cross multiply
    87,300.40x = 130,950.60 × 24,970.90
  4. Step 4: Simplify right side
    87,300.40x = 3,269,954,010.16
  5. Step 5: Solve for x
    x = 3,269,954,010.16/87,300.40
  6. Step 6: Final answer
    x = 37,456.35

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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.