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Finding the Fourth Proportional to 65,701.80, 98,552.70 and 57,925.80

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Solution

The fourth proportional to 65,701.80, 98,552.70 and 57,925.80 is: 86,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,701.80 : 98,552.70 = 57,925.80 : x
  2. Step 2: Convert to fraction form
    65,701.80/98,552.70 = 57,925.80/x
  3. Step 3: Cross multiply
    65,701.80x = 98,552.70 × 57,925.80
  4. Step 4: Simplify right side
    65,701.80x = 5,708,743,989.66
  5. Step 5: Solve for x
    x = 5,708,743,989.66/65,701.80
  6. Step 6: Final answer
    x = 86,888.70

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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.