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Finding the Fourth Proportional to 26,898.71, 40,347.93 and 6,908.18

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Solution

The fourth proportional to 26,898.71, 40,347.93 and 6,908.18 is: 10,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,898.71 : 40,347.93 = 6,908.18 : x
  2. Step 2: Convert to fraction form
    26,898.71/40,347.93 = 6,908.18/x
  3. Step 3: Cross multiply
    26,898.71x = 40,347.93 × 6,908.18
  4. Step 4: Simplify right side
    26,898.71x = 278,730,763.07
  5. Step 5: Solve for x
    x = 278,730,763.07/26,898.71
  6. Step 6: Final answer
    x = 10,362.24

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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.