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Finding the Fourth Proportional to 18,253.86, 27,370.98 and 9,365.52

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Solution

The fourth proportional to 18,253.86, 27,370.98 and 9,365.52 is: 14,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.86 : 27,370.98 = 9,365.52 : x
  2. Step 2: Convert to fraction form
    18,253.86/27,370.98 = 9,365.52/x
  3. Step 3: Cross multiply
    18,253.86x = 27,370.98 × 9,365.52
  4. Step 4: Simplify right side
    18,253.86x = 256,343,460.61
  5. Step 5: Solve for x
    x = 256,343,460.61/18,253.86
  6. Step 6: Final answer
    x = 14,043.25

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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.