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Finding the Fourth Proportional to 45,065.56, 67,574.04 and 22,865.08

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Solution

The fourth proportional to 45,065.56, 67,574.04 and 22,865.08 is: 34,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,065.56 : 67,574.04 = 22,865.08 : x
  2. Step 2: Convert to fraction form
    45,065.56/67,574.04 = 22,865.08/x
  3. Step 3: Cross multiply
    45,065.56x = 67,574.04 × 22,865.08
  4. Step 4: Simplify right side
    45,065.56x = 1,545,085,830.52
  5. Step 5: Solve for x
    x = 1,545,085,830.52/45,065.56
  6. Step 6: Final answer
    x = 34,285.29

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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.