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Finding the Fourth Proportional to 6,530.26, 9,000.54 and 4,714.78

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Solution

The fourth proportional to 6,530.26, 9,000.54 and 4,714.78 is: 6,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.26 : 9,000.54 = 4,714.78 : x
  2. Step 2: Convert to fraction form
    6,530.26/9,000.54 = 4,714.78/x
  3. Step 3: Cross multiply
    6,530.26x = 9,000.54 × 4,714.78
  4. Step 4: Simplify right side
    6,530.26x = 42,435,565.98
  5. Step 5: Solve for x
    x = 42,435,565.98/6,530.26
  6. Step 6: Final answer
    x = 6,498.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.