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Finding the Fourth Proportional to 6,899.66, 9,525.48 and 5,281.52

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Solution

The fourth proportional to 6,899.66, 9,525.48 and 5,281.52 is: 7,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.66 : 9,525.48 = 5,281.52 : x
  2. Step 2: Convert to fraction form
    6,899.66/9,525.48 = 5,281.52/x
  3. Step 3: Cross multiply
    6,899.66x = 9,525.48 × 5,281.52
  4. Step 4: Simplify right side
    6,899.66x = 50,309,013.13
  5. Step 5: Solve for x
    x = 50,309,013.13/6,899.66
  6. Step 6: Final answer
    x = 7,291.52

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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.