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Finding the Fourth Proportional to 60,767.75, 91,020.40 and 59,280.59

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Solution

The fourth proportional to 60,767.75, 91,020.40 and 59,280.59 is: 88,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,767.75 : 91,020.40 = 59,280.59 : x
  2. Step 2: Convert to fraction form
    60,767.75/91,020.40 = 59,280.59/x
  3. Step 3: Cross multiply
    60,767.75x = 91,020.40 × 59,280.59
  4. Step 4: Simplify right side
    60,767.75x = 5,395,742,262.53
  5. Step 5: Solve for x
    x = 5,395,742,262.53/60,767.75
  6. Step 6: Final answer
    x = 88,792.87

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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.