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Finding the Fourth Proportional to 70,069.49, 96,697.95 and 38,240.44

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Solution

The fourth proportional to 70,069.49, 96,697.95 and 38,240.44 is: 52,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,069.49 : 96,697.95 = 38,240.44 : x
  2. Step 2: Convert to fraction form
    70,069.49/96,697.95 = 38,240.44/x
  3. Step 3: Cross multiply
    70,069.49x = 96,697.95 × 38,240.44
  4. Step 4: Simplify right side
    70,069.49x = 3,697,772,155.10
  5. Step 5: Solve for x
    x = 3,697,772,155.10/70,069.49
  6. Step 6: Final answer
    x = 52,772.93

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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.