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Finding the Fourth Proportional to 44,707.60, 67,041.60 and 15,117.40

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Solution

The fourth proportional to 44,707.60, 67,041.60 and 15,117.40 is: 22,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,707.60 : 67,041.60 = 15,117.40 : x
  2. Step 2: Convert to fraction form
    44,707.60/67,041.60 = 15,117.40/x
  3. Step 3: Cross multiply
    44,707.60x = 67,041.60 × 15,117.40
  4. Step 4: Simplify right side
    44,707.60x = 1,013,494,683.84
  5. Step 5: Solve for x
    x = 1,013,494,683.84/44,707.60
  6. Step 6: Final answer
    x = 22,669.40

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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.