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Finding the Fourth Proportional to 44,931.70, 67,397.54 and 13,762.90

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Solution

The fourth proportional to 44,931.70, 67,397.54 and 13,762.90 is: 20,644.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,931.70 : 67,397.54 = 13,762.90 : x
  2. Step 2: Convert to fraction form
    44,931.70/67,397.54 = 13,762.90/x
  3. Step 3: Cross multiply
    44,931.70x = 67,397.54 × 13,762.90
  4. Step 4: Simplify right side
    44,931.70x = 927,585,603.27
  5. Step 5: Solve for x
    x = 927,585,603.27/44,931.70
  6. Step 6: Final answer
    x = 20,644.35

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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.