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Finding the Fourth Proportional to 6,358.47, 8,775.15 and 4,001.07

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Solution

The fourth proportional to 6,358.47, 8,775.15 and 4,001.07 is: 5,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.47 : 8,775.15 = 4,001.07 : x
  2. Step 2: Convert to fraction form
    6,358.47/8,775.15 = 4,001.07/x
  3. Step 3: Cross multiply
    6,358.47x = 8,775.15 × 4,001.07
  4. Step 4: Simplify right side
    6,358.47x = 35,109,989.41
  5. Step 5: Solve for x
    x = 35,109,989.41/6,358.47
  6. Step 6: Final answer
    x = 5,521.77

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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.