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Finding the Fourth Proportional to 2,366.60, 3,547.50 and 980.68

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Solution

The fourth proportional to 2,366.60, 3,547.50 and 980.68 is: 1,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.60 : 3,547.50 = 980.68 : x
  2. Step 2: Convert to fraction form
    2,366.60/3,547.50 = 980.68/x
  3. Step 3: Cross multiply
    2,366.60x = 3,547.50 × 980.68
  4. Step 4: Simplify right side
    2,366.60x = 3,478,962.30
  5. Step 5: Solve for x
    x = 3,478,962.30/2,366.60
  6. Step 6: Final answer
    x = 1,470.03

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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.