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Finding the Fourth Proportional to 6,460.59, 9,690.93 and 2,565

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Solution

The fourth proportional to 6,460.59, 9,690.93 and 2,565 is: 3,847.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460.59 : 9,690.93 = 2,565 : x
  2. Step 2: Convert to fraction form
    6,460.59/9,690.93 = 2,565/x
  3. Step 3: Cross multiply
    6,460.59x = 9,690.93 × 2,565
  4. Step 4: Simplify right side
    6,460.59x = 24,857,235.45
  5. Step 5: Solve for x
    x = 24,857,235.45/6,460.59
  6. Step 6: Final answer
    x = 3,847.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.