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Finding the Fourth Proportional to 7,046.65, 10,512.59 and 6,475.20

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Solution

The fourth proportional to 7,046.65, 10,512.59 and 6,475.20 is: 9,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046.65 : 10,512.59 = 6,475.20 : x
  2. Step 2: Convert to fraction form
    7,046.65/10,512.59 = 6,475.20/x
  3. Step 3: Cross multiply
    7,046.65x = 10,512.59 × 6,475.20
  4. Step 4: Simplify right side
    7,046.65x = 68,071,122.77
  5. Step 5: Solve for x
    x = 68,071,122.77/7,046.65
  6. Step 6: Final answer
    x = 9,660.07

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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.