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Finding the Fourth Proportional to 68,689.08, 94,798.80 and 38,482.56

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Solution

The fourth proportional to 68,689.08, 94,798.80 and 38,482.56 is: 53,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,689.08 : 94,798.80 = 38,482.56 : x
  2. Step 2: Convert to fraction form
    68,689.08/94,798.80 = 38,482.56/x
  3. Step 3: Cross multiply
    68,689.08x = 94,798.80 × 38,482.56
  4. Step 4: Simplify right side
    68,689.08x = 3,648,100,508.93
  5. Step 5: Solve for x
    x = 3,648,100,508.93/68,689.08
  6. Step 6: Final answer
    x = 53,110.34

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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.