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Finding the Fourth Proportional to 45,209.80, 62,386.80 and 25,065.49

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Solution

The fourth proportional to 45,209.80, 62,386.80 and 25,065.49 is: 34,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,209.80 : 62,386.80 = 25,065.49 : x
  2. Step 2: Convert to fraction form
    45,209.80/62,386.80 = 25,065.49/x
  3. Step 3: Cross multiply
    45,209.80x = 62,386.80 × 25,065.49
  4. Step 4: Simplify right side
    45,209.80x = 1,563,755,711.53
  5. Step 5: Solve for x
    x = 1,563,755,711.53/45,209.80
  6. Step 6: Final answer
    x = 34,588.87

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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.