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Finding the Fourth Proportional to 6,807.01, 9,386.76 and 6,410.15

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Solution

The fourth proportional to 6,807.01, 9,386.76 and 6,410.15 is: 8,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.01 : 9,386.76 = 6,410.15 : x
  2. Step 2: Convert to fraction form
    6,807.01/9,386.76 = 6,410.15/x
  3. Step 3: Cross multiply
    6,807.01x = 9,386.76 × 6,410.15
  4. Step 4: Simplify right side
    6,807.01x = 60,170,539.61
  5. Step 5: Solve for x
    x = 60,170,539.61/6,807.01
  6. Step 6: Final answer
    x = 8,839.50

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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.