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Finding the Fourth Proportional to 14,825.64, 22,223.88 and 7,039.92

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Solution

The fourth proportional to 14,825.64, 22,223.88 and 7,039.92 is: 10,552.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.64 : 22,223.88 = 7,039.92 : x
  2. Step 2: Convert to fraction form
    14,825.64/22,223.88 = 7,039.92/x
  3. Step 3: Cross multiply
    14,825.64x = 22,223.88 × 7,039.92
  4. Step 4: Simplify right side
    14,825.64x = 156,454,337.29
  5. Step 5: Solve for x
    x = 156,454,337.29/14,825.64
  6. Step 6: Final answer
    x = 10,552.96

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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.