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Finding the Fourth Proportional to 71,513.84, 98,708.24 and 44,640.16

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Solution

The fourth proportional to 71,513.84, 98,708.24 and 44,640.16 is: 61,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,513.84 : 98,708.24 = 44,640.16 : x
  2. Step 2: Convert to fraction form
    71,513.84/98,708.24 = 44,640.16/x
  3. Step 3: Cross multiply
    71,513.84x = 98,708.24 × 44,640.16
  4. Step 4: Simplify right side
    71,513.84x = 4,406,351,403.72
  5. Step 5: Solve for x
    x = 4,406,351,403.72/71,513.84
  6. Step 6: Final answer
    x = 61,615.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.