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Finding the Fourth Proportional to 14,962.64, 22,443.82 and 5,728.64

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Solution

The fourth proportional to 14,962.64, 22,443.82 and 5,728.64 is: 8,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.64 : 22,443.82 = 5,728.64 : x
  2. Step 2: Convert to fraction form
    14,962.64/22,443.82 = 5,728.64/x
  3. Step 3: Cross multiply
    14,962.64x = 22,443.82 × 5,728.64
  4. Step 4: Simplify right side
    14,962.64x = 128,572,438.46
  5. Step 5: Solve for x
    x = 128,572,438.46/14,962.64
  6. Step 6: Final answer
    x = 8,592.90

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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.