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Finding the Fourth Proportional to 8,657.25, 12,988.04 and 2,501.25

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Solution

The fourth proportional to 8,657.25, 12,988.04 and 2,501.25 is: 3,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657.25 : 12,988.04 = 2,501.25 : x
  2. Step 2: Convert to fraction form
    8,657.25/12,988.04 = 2,501.25/x
  3. Step 3: Cross multiply
    8,657.25x = 12,988.04 × 2,501.25
  4. Step 4: Simplify right side
    8,657.25x = 32,486,322.54
  5. Step 5: Solve for x
    x = 32,486,322.54/8,657.25
  6. Step 6: Final answer
    x = 3,752.50

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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.