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Finding the Fourth Proportional to 39,881.55, 59,832.71 and 14,923.55

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Solution

The fourth proportional to 39,881.55, 59,832.71 and 14,923.55 is: 22,389.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,881.55 : 59,832.71 = 14,923.55 : x
  2. Step 2: Convert to fraction form
    39,881.55/59,832.71 = 14,923.55/x
  3. Step 3: Cross multiply
    39,881.55x = 59,832.71 × 14,923.55
  4. Step 4: Simplify right side
    39,881.55x = 892,916,439.32
  5. Step 5: Solve for x
    x = 892,916,439.32/39,881.55
  6. Step 6: Final answer
    x = 22,389.21

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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.