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Finding the Fourth Proportional to 27,351.60, 41,027.40 and 15,655.20

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Solution

The fourth proportional to 27,351.60, 41,027.40 and 15,655.20 is: 23,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,351.60 : 41,027.40 = 15,655.20 : x
  2. Step 2: Convert to fraction form
    27,351.60/41,027.40 = 15,655.20/x
  3. Step 3: Cross multiply
    27,351.60x = 41,027.40 × 15,655.20
  4. Step 4: Simplify right side
    27,351.60x = 642,292,152.48
  5. Step 5: Solve for x
    x = 642,292,152.48/27,351.60
  6. Step 6: Final answer
    x = 23,482.80

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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.