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Finding the Fourth Proportional to 40,492.68, 55,879.87 and 22,587.68

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Solution

The fourth proportional to 40,492.68, 55,879.87 and 22,587.68 is: 31,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,492.68 : 55,879.87 = 22,587.68 : x
  2. Step 2: Convert to fraction form
    40,492.68/55,879.87 = 22,587.68/x
  3. Step 3: Cross multiply
    40,492.68x = 55,879.87 × 22,587.68
  4. Step 4: Simplify right side
    40,492.68x = 1,262,196,622.00
  5. Step 5: Solve for x
    x = 1,262,196,622.00/40,492.68
  6. Step 6: Final answer
    x = 31,170.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.