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Finding the Fourth Proportional to 68,352.95, 94,289.16 and 40,053.17

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Solution

The fourth proportional to 68,352.95, 94,289.16 and 40,053.17 is: 55,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,352.95 : 94,289.16 = 40,053.17 : x
  2. Step 2: Convert to fraction form
    68,352.95/94,289.16 = 40,053.17/x
  3. Step 3: Cross multiply
    68,352.95x = 94,289.16 × 40,053.17
  4. Step 4: Simplify right side
    68,352.95x = 3,776,579,082.93
  5. Step 5: Solve for x
    x = 3,776,579,082.93/68,352.95
  6. Step 6: Final answer
    x = 55,251.15

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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.