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Finding the Fourth Proportional to 15,046.72, 22,575.12 and 7,254.64

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Solution

The fourth proportional to 15,046.72, 22,575.12 and 7,254.64 is: 10,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046.72 : 22,575.12 = 7,254.64 : x
  2. Step 2: Convert to fraction form
    15,046.72/22,575.12 = 7,254.64/x
  3. Step 3: Cross multiply
    15,046.72x = 22,575.12 × 7,254.64
  4. Step 4: Simplify right side
    15,046.72x = 163,774,368.56
  5. Step 5: Solve for x
    x = 163,774,368.56/15,046.72
  6. Step 6: Final answer
    x = 10,884.39

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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.