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Finding the Fourth Proportional to 5,468.90, 7,547.08 and 2,984.90

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Solution

The fourth proportional to 5,468.90, 7,547.08 and 2,984.90 is: 4,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,468.90 : 7,547.08 = 2,984.90 : x
  2. Step 2: Convert to fraction form
    5,468.90/7,547.08 = 2,984.90/x
  3. Step 3: Cross multiply
    5,468.90x = 7,547.08 × 2,984.90
  4. Step 4: Simplify right side
    5,468.90x = 22,527,279.09
  5. Step 5: Solve for x
    x = 22,527,279.09/5,468.90
  6. Step 6: Final answer
    x = 4,119.16

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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.