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Finding the Fourth Proportional to 71,549.40, 98,686.88 and 44,316.68

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Solution

The fourth proportional to 71,549.40, 98,686.88 and 44,316.68 is: 61,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,549.40 : 98,686.88 = 44,316.68 : x
  2. Step 2: Convert to fraction form
    71,549.40/98,686.88 = 44,316.68/x
  3. Step 3: Cross multiply
    71,549.40x = 98,686.88 × 44,316.68
  4. Step 4: Simplify right side
    71,549.40x = 4,373,474,881.16
  5. Step 5: Solve for x
    x = 4,373,474,881.16/71,549.40
  6. Step 6: Final answer
    x = 61,125.25

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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.