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Finding the Fourth Proportional to 69,016.70, 95,240.84 and 38,803.30

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Solution

The fourth proportional to 69,016.70, 95,240.84 and 38,803.30 is: 53,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,016.70 : 95,240.84 = 38,803.30 : x
  2. Step 2: Convert to fraction form
    69,016.70/95,240.84 = 38,803.30/x
  3. Step 3: Cross multiply
    69,016.70x = 95,240.84 × 38,803.30
  4. Step 4: Simplify right side
    69,016.70x = 3,695,658,886.77
  5. Step 5: Solve for x
    x = 3,695,658,886.77/69,016.70
  6. Step 6: Final answer
    x = 53,547.31

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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.