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Finding the Fourth Proportional to 6,241.65, 8,547.88 and 6,159.63

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Solution

The fourth proportional to 6,241.65, 8,547.88 and 6,159.63 is: 8,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.65 : 8,547.88 = 6,159.63 : x
  2. Step 2: Convert to fraction form
    6,241.65/8,547.88 = 6,159.63/x
  3. Step 3: Cross multiply
    6,241.65x = 8,547.88 × 6,159.63
  4. Step 4: Simplify right side
    6,241.65x = 52,651,778.08
  5. Step 5: Solve for x
    x = 52,651,778.08/6,241.65
  6. Step 6: Final answer
    x = 8,435.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.