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Finding the Fourth Proportional to 58,708.80, 88,549.20 and 54,820.80

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Solution

The fourth proportional to 58,708.80, 88,549.20 and 54,820.80 is: 82,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,708.80 : 88,549.20 = 54,820.80 : x
  2. Step 2: Convert to fraction form
    58,708.80/88,549.20 = 54,820.80/x
  3. Step 3: Cross multiply
    58,708.80x = 88,549.20 × 54,820.80
  4. Step 4: Simplify right side
    58,708.80x = 4,854,337,983.36
  5. Step 5: Solve for x
    x = 4,854,337,983.36/58,708.80
  6. Step 6: Final answer
    x = 82,685.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.