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Finding the Fourth Proportional to 73,686.24, 101,687.07 and 40,152.24

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Solution

The fourth proportional to 73,686.24, 101,687.07 and 40,152.24 is: 55,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,686.24 : 101,687.07 = 40,152.24 : x
  2. Step 2: Convert to fraction form
    73,686.24/101,687.07 = 40,152.24/x
  3. Step 3: Cross multiply
    73,686.24x = 101,687.07 × 40,152.24
  4. Step 4: Simplify right side
    73,686.24x = 4,082,963,639.54
  5. Step 5: Solve for x
    x = 4,082,963,639.54/73,686.24
  6. Step 6: Final answer
    x = 55,410.12

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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.