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Finding the Fourth Proportional to 72,875.76, 109,324.44 and 22,960.32

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Solution

The fourth proportional to 72,875.76, 109,324.44 and 22,960.32 is: 34,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,875.76 : 109,324.44 = 22,960.32 : x
  2. Step 2: Convert to fraction form
    72,875.76/109,324.44 = 22,960.32/x
  3. Step 3: Cross multiply
    72,875.76x = 109,324.44 × 22,960.32
  4. Step 4: Simplify right side
    72,875.76x = 2,510,124,126.22
  5. Step 5: Solve for x
    x = 2,510,124,126.22/72,875.76
  6. Step 6: Final answer
    x = 34,443.88

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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.