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Finding the Fourth Proportional to 18,773.52, 25,907.52 and 10,275.45

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Solution

The fourth proportional to 18,773.52, 25,907.52 and 10,275.45 is: 14,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773.52 : 25,907.52 = 10,275.45 : x
  2. Step 2: Convert to fraction form
    18,773.52/25,907.52 = 10,275.45/x
  3. Step 3: Cross multiply
    18,773.52x = 25,907.52 × 10,275.45
  4. Step 4: Simplify right side
    18,773.52x = 266,211,426.38
  5. Step 5: Solve for x
    x = 266,211,426.38/18,773.52
  6. Step 6: Final answer
    x = 14,180.16

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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.