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Finding the Fourth Proportional to 45,575.02, 62,876 and 28,549.64

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Solution

The fourth proportional to 45,575.02, 62,876 and 28,549.64 is: 39,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,575.02 : 62,876 = 28,549.64 : x
  2. Step 2: Convert to fraction form
    45,575.02/62,876 = 28,549.64/x
  3. Step 3: Cross multiply
    45,575.02x = 62,876 × 28,549.64
  4. Step 4: Simplify right side
    45,575.02x = 1,795,087,164.64
  5. Step 5: Solve for x
    x = 1,795,087,164.64/45,575.02
  6. Step 6: Final answer
    x = 39,387.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.