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Finding the Fourth Proportional to 15,088.92, 22,603.95 and 9,879

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Solution

The fourth proportional to 15,088.92, 22,603.95 and 9,879 is: 14,799.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088.92 : 22,603.95 = 9,879 : x
  2. Step 2: Convert to fraction form
    15,088.92/22,603.95 = 9,879/x
  3. Step 3: Cross multiply
    15,088.92x = 22,603.95 × 9,879
  4. Step 4: Simplify right side
    15,088.92x = 223,304,422.05
  5. Step 5: Solve for x
    x = 223,304,422.05/15,088.92
  6. Step 6: Final answer
    x = 14,799.23

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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.