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Finding the Fourth Proportional to 40,014.40, 59,906.40 and 38,862.40

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Solution

The fourth proportional to 40,014.40, 59,906.40 and 38,862.40 is: 58,181.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,014.40 : 59,906.40 = 38,862.40 : x
  2. Step 2: Convert to fraction form
    40,014.40/59,906.40 = 38,862.40/x
  3. Step 3: Cross multiply
    40,014.40x = 59,906.40 × 38,862.40
  4. Step 4: Simplify right side
    40,014.40x = 2,328,106,479.36
  5. Step 5: Solve for x
    x = 2,328,106,479.36/40,014.40
  6. Step 6: Final answer
    x = 58,181.72

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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.