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Finding the Fourth Proportional to 26,868.20, 40,302.30 and 14,580.20

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Solution

The fourth proportional to 26,868.20, 40,302.30 and 14,580.20 is: 21,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.20 : 40,302.30 = 14,580.20 : x
  2. Step 2: Convert to fraction form
    26,868.20/40,302.30 = 14,580.20/x
  3. Step 3: Cross multiply
    26,868.20x = 40,302.30 × 14,580.20
  4. Step 4: Simplify right side
    26,868.20x = 587,615,594.46
  5. Step 5: Solve for x
    x = 587,615,594.46/26,868.20
  6. Step 6: Final answer
    x = 21,870.30

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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.