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Finding the Fourth Proportional to 9,008.58, 12,437.01 and 6,867.30

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Solution

The fourth proportional to 9,008.58, 12,437.01 and 6,867.30 is: 9,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.58 : 12,437.01 = 6,867.30 : x
  2. Step 2: Convert to fraction form
    9,008.58/12,437.01 = 6,867.30/x
  3. Step 3: Cross multiply
    9,008.58x = 12,437.01 × 6,867.30
  4. Step 4: Simplify right side
    9,008.58x = 85,408,678.77
  5. Step 5: Solve for x
    x = 85,408,678.77/9,008.58
  6. Step 6: Final answer
    x = 9,480.81

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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.