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Finding the Fourth Proportional to 3,007.32, 4,510.86 and 927.24

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Solution

The fourth proportional to 3,007.32, 4,510.86 and 927.24 is: 1,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.32 : 4,510.86 = 927.24 : x
  2. Step 2: Convert to fraction form
    3,007.32/4,510.86 = 927.24/x
  3. Step 3: Cross multiply
    3,007.32x = 4,510.86 × 927.24
  4. Step 4: Simplify right side
    3,007.32x = 4,182,649.83
  5. Step 5: Solve for x
    x = 4,182,649.83/3,007.32
  6. Step 6: Final answer
    x = 1,390.82

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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.