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Finding the Fourth Proportional to 17,176.60, 25,752.60 and 6,637.60

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Solution

The fourth proportional to 17,176.60, 25,752.60 and 6,637.60 is: 9,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176.60 : 25,752.60 = 6,637.60 : x
  2. Step 2: Convert to fraction form
    17,176.60/25,752.60 = 6,637.60/x
  3. Step 3: Cross multiply
    17,176.60x = 25,752.60 × 6,637.60
  4. Step 4: Simplify right side
    17,176.60x = 170,935,457.76
  5. Step 5: Solve for x
    x = 170,935,457.76/17,176.60
  6. Step 6: Final answer
    x = 9,951.65

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1.5x scale

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.