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Finding the Fourth Proportional to 60,390.63, 83,340.09 and 35,240.13

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Solution

The fourth proportional to 60,390.63, 83,340.09 and 35,240.13 is: 48,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,390.63 : 83,340.09 = 35,240.13 : x
  2. Step 2: Convert to fraction form
    60,390.63/83,340.09 = 35,240.13/x
  3. Step 3: Cross multiply
    60,390.63x = 83,340.09 × 35,240.13
  4. Step 4: Simplify right side
    60,390.63x = 2,936,915,605.81
  5. Step 5: Solve for x
    x = 2,936,915,605.81/60,390.63
  6. Step 6: Final answer
    x = 48,631.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.