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Finding the Fourth Proportional to 72,285.28, 108,401.28 and 24,886.87

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Solution

The fourth proportional to 72,285.28, 108,401.28 and 24,886.87 is: 37,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,285.28 : 108,401.28 = 24,886.87 : x
  2. Step 2: Convert to fraction form
    72,285.28/108,401.28 = 24,886.87/x
  3. Step 3: Cross multiply
    72,285.28x = 108,401.28 × 24,886.87
  4. Step 4: Simplify right side
    72,285.28x = 2,697,768,563.19
  5. Step 5: Solve for x
    x = 2,697,768,563.19/72,285.28
  6. Step 6: Final answer
    x = 37,321.13

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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.