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Finding the Fourth Proportional to 25,053.76, 34,580.40 and 14,449.76

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Solution

The fourth proportional to 25,053.76, 34,580.40 and 14,449.76 is: 19,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,053.76 : 34,580.40 = 14,449.76 : x
  2. Step 2: Convert to fraction form
    25,053.76/34,580.40 = 14,449.76/x
  3. Step 3: Cross multiply
    25,053.76x = 34,580.40 × 14,449.76
  4. Step 4: Simplify right side
    25,053.76x = 499,678,480.70
  5. Step 5: Solve for x
    x = 499,678,480.70/25,053.76
  6. Step 6: Final answer
    x = 19,944.25

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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.