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Finding the Fourth Proportional to 45,545.60, 68,334.60 and 22,156.40

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Solution

The fourth proportional to 45,545.60, 68,334.60 and 22,156.40 is: 33,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,545.60 : 68,334.60 = 22,156.40 : x
  2. Step 2: Convert to fraction form
    45,545.60/68,334.60 = 22,156.40/x
  3. Step 3: Cross multiply
    45,545.60x = 68,334.60 × 22,156.40
  4. Step 4: Simplify right side
    45,545.60x = 1,514,048,731.44
  5. Step 5: Solve for x
    x = 1,514,048,731.44/45,545.60
  6. Step 6: Final answer
    x = 33,242.48

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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.