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Finding the Fourth Proportional to 73,545.84, 110,302.08 and 20,954.16

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Solution

The fourth proportional to 73,545.84, 110,302.08 and 20,954.16 is: 31,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,545.84 : 110,302.08 = 20,954.16 : x
  2. Step 2: Convert to fraction form
    73,545.84/110,302.08 = 20,954.16/x
  3. Step 3: Cross multiply
    73,545.84x = 110,302.08 × 20,954.16
  4. Step 4: Simplify right side
    73,545.84x = 2,311,287,432.65
  5. Step 5: Solve for x
    x = 2,311,287,432.65/73,545.84
  6. Step 6: Final answer
    x = 31,426.49

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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.