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Finding the Fourth Proportional to 73,307.28, 109,960.11 and 17,903.28

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Solution

The fourth proportional to 73,307.28, 109,960.11 and 17,903.28 is: 26,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,307.28 : 109,960.11 = 17,903.28 : x
  2. Step 2: Convert to fraction form
    73,307.28/109,960.11 = 17,903.28/x
  3. Step 3: Cross multiply
    73,307.28x = 109,960.11 × 17,903.28
  4. Step 4: Simplify right side
    73,307.28x = 1,968,646,638.16
  5. Step 5: Solve for x
    x = 1,968,646,638.16/73,307.28
  6. Step 6: Final answer
    x = 26,854.72

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Similar ratio
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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.