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Finding the Fourth Proportional to 45,065.97, 67,587.41 and 13,475.97

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Solution

The fourth proportional to 45,065.97, 67,587.41 and 13,475.97 is: 20,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,065.97 : 67,587.41 = 13,475.97 : x
  2. Step 2: Convert to fraction form
    45,065.97/67,587.41 = 13,475.97/x
  3. Step 3: Cross multiply
    45,065.97x = 67,587.41 × 13,475.97
  4. Step 4: Simplify right side
    45,065.97x = 910,805,943.23
  5. Step 5: Solve for x
    x = 910,805,943.23/45,065.97
  6. Step 6: Final answer
    x = 20,210.50

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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.