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Finding the Fourth Proportional to 42,545.25, 63,847.04 and 14,843.25

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Solution

The fourth proportional to 42,545.25, 63,847.04 and 14,843.25 is: 22,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,545.25 : 63,847.04 = 14,843.25 : x
  2. Step 2: Convert to fraction form
    42,545.25/63,847.04 = 14,843.25/x
  3. Step 3: Cross multiply
    42,545.25x = 63,847.04 × 14,843.25
  4. Step 4: Simplify right side
    42,545.25x = 947,697,502.26
  5. Step 5: Solve for x
    x = 947,697,502.26/42,545.25
  6. Step 6: Final answer
    x = 22,275.05

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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.