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Finding the Fourth Proportional to 15,020.64, 22,530.15 and 4,490.64

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Solution

The fourth proportional to 15,020.64, 22,530.15 and 4,490.64 is: 6,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020.64 : 22,530.15 = 4,490.64 : x
  2. Step 2: Convert to fraction form
    15,020.64/22,530.15 = 4,490.64/x
  3. Step 3: Cross multiply
    15,020.64x = 22,530.15 × 4,490.64
  4. Step 4: Simplify right side
    15,020.64x = 101,174,792.80
  5. Step 5: Solve for x
    x = 101,174,792.80/15,020.64
  6. Step 6: Final answer
    x = 6,735.72

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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.