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Finding the Fourth Proportional to 70,069.74, 96,698.28 and 38,240.69

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Solution

The fourth proportional to 70,069.74, 96,698.28 and 38,240.69 is: 52,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,069.74 : 96,698.28 = 38,240.69 : x
  2. Step 2: Convert to fraction form
    70,069.74/96,698.28 = 38,240.69/x
  3. Step 3: Cross multiply
    70,069.74x = 96,698.28 × 38,240.69
  4. Step 4: Simplify right side
    70,069.74x = 3,697,808,949.01
  5. Step 5: Solve for x
    x = 3,697,808,949.01/70,069.74
  6. Step 6: Final answer
    x = 52,773.26

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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.