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Finding the Fourth Proportional to 19,248.85, 28,875.17 and 8,001.87

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Solution

The fourth proportional to 19,248.85, 28,875.17 and 8,001.87 is: 12,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.85 : 28,875.17 = 8,001.87 : x
  2. Step 2: Convert to fraction form
    19,248.85/28,875.17 = 8,001.87/x
  3. Step 3: Cross multiply
    19,248.85x = 28,875.17 × 8,001.87
  4. Step 4: Simplify right side
    19,248.85x = 231,055,356.57
  5. Step 5: Solve for x
    x = 231,055,356.57/19,248.85
  6. Step 6: Final answer
    x = 12,003.59

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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.