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Finding the Fourth Proportional to 48,387.99, 72,581.95 and 15,110.90

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Solution

The fourth proportional to 48,387.99, 72,581.95 and 15,110.90 is: 22,666.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387.99 : 72,581.95 = 15,110.90 : x
  2. Step 2: Convert to fraction form
    48,387.99/72,581.95 = 15,110.90/x
  3. Step 3: Cross multiply
    48,387.99x = 72,581.95 × 15,110.90
  4. Step 4: Simplify right side
    48,387.99x = 1,096,778,588.26
  5. Step 5: Solve for x
    x = 1,096,778,588.26/48,387.99
  6. Step 6: Final answer
    x = 22,666.34

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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.