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Finding the Fourth Proportional to 26,875.60, 40,217.40 and 17,019.60

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Solution

The fourth proportional to 26,875.60, 40,217.40 and 17,019.60 is: 25,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875.60 : 40,217.40 = 17,019.60 : x
  2. Step 2: Convert to fraction form
    26,875.60/40,217.40 = 17,019.60/x
  3. Step 3: Cross multiply
    26,875.60x = 40,217.40 × 17,019.60
  4. Step 4: Simplify right side
    26,875.60x = 684,484,061.04
  5. Step 5: Solve for x
    x = 684,484,061.04/26,875.60
  6. Step 6: Final answer
    x = 25,468.61

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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.