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Finding the Fourth Proportional to 69,079.78, 103,619.68 and 24,703.84

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Solution

The fourth proportional to 69,079.78, 103,619.68 and 24,703.84 is: 37,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,079.78 : 103,619.68 = 24,703.84 : x
  2. Step 2: Convert to fraction form
    69,079.78/103,619.68 = 24,703.84/x
  3. Step 3: Cross multiply
    69,079.78x = 103,619.68 × 24,703.84
  4. Step 4: Simplify right side
    69,079.78x = 2,559,803,995.57
  5. Step 5: Solve for x
    x = 2,559,803,995.57/69,079.78
  6. Step 6: Final answer
    x = 37,055.76

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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.