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Finding the Fourth Proportional to 60,988.80, 91,483.20 and 36,040.80

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Solution

The fourth proportional to 60,988.80, 91,483.20 and 36,040.80 is: 54,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,988.80 : 91,483.20 = 36,040.80 : x
  2. Step 2: Convert to fraction form
    60,988.80/91,483.20 = 36,040.80/x
  3. Step 3: Cross multiply
    60,988.80x = 91,483.20 × 36,040.80
  4. Step 4: Simplify right side
    60,988.80x = 3,297,127,714.56
  5. Step 5: Solve for x
    x = 3,297,127,714.56/60,988.80
  6. Step 6: Final answer
    x = 54,061.20

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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.