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Finding the Fourth Proportional to 60,977.84, 91,097.26 and 38,612.12

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Solution

The fourth proportional to 60,977.84, 91,097.26 and 38,612.12 is: 57,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,977.84 : 91,097.26 = 38,612.12 : x
  2. Step 2: Convert to fraction form
    60,977.84/91,097.26 = 38,612.12/x
  3. Step 3: Cross multiply
    60,977.84x = 91,097.26 × 38,612.12
  4. Step 4: Simplify right side
    60,977.84x = 3,517,458,334.79
  5. Step 5: Solve for x
    x = 3,517,458,334.79/60,977.84
  6. Step 6: Final answer
    x = 57,684.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.