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Finding the Fourth Proportional to 60,383.52, 90,605.28 and 40,406.16

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Solution

The fourth proportional to 60,383.52, 90,605.28 and 40,406.16 is: 60,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,383.52 : 90,605.28 = 40,406.16 : x
  2. Step 2: Convert to fraction form
    60,383.52/90,605.28 = 40,406.16/x
  3. Step 3: Cross multiply
    60,383.52x = 90,605.28 × 40,406.16
  4. Step 4: Simplify right side
    60,383.52x = 3,661,011,440.52
  5. Step 5: Solve for x
    x = 3,661,011,440.52/60,383.52
  6. Step 6: Final answer
    x = 60,629.31

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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.