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Finding the Fourth Proportional to 40,436.66, 60,665.98 and 22,918.80

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Solution

The fourth proportional to 40,436.66, 60,665.98 and 22,918.80 is: 34,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,436.66 : 60,665.98 = 22,918.80 : x
  2. Step 2: Convert to fraction form
    40,436.66/60,665.98 = 22,918.80/x
  3. Step 3: Cross multiply
    40,436.66x = 60,665.98 × 22,918.80
  4. Step 4: Simplify right side
    40,436.66x = 1,390,391,462.42
  5. Step 5: Solve for x
    x = 1,390,391,462.42/40,436.66
  6. Step 6: Final answer
    x = 34,384.43

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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.