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Finding the Fourth Proportional to 8,746.24, 12,065.92 and 5,758.24

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Solution

The fourth proportional to 8,746.24, 12,065.92 and 5,758.24 is: 7,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.24 : 12,065.92 = 5,758.24 : x
  2. Step 2: Convert to fraction form
    8,746.24/12,065.92 = 5,758.24/x
  3. Step 3: Cross multiply
    8,746.24x = 12,065.92 × 5,758.24
  4. Step 4: Simplify right side
    8,746.24x = 69,478,463.18
  5. Step 5: Solve for x
    x = 69,478,463.18/8,746.24
  6. Step 6: Final answer
    x = 7,943.81

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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.