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Finding the Fourth Proportional to 70,319.70, 97,037.44 and 38,482.44

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Solution

The fourth proportional to 70,319.70, 97,037.44 and 38,482.44 is: 53,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,319.70 : 97,037.44 = 38,482.44 : x
  2. Step 2: Convert to fraction form
    70,319.70/97,037.44 = 38,482.44/x
  3. Step 3: Cross multiply
    70,319.70x = 97,037.44 × 38,482.44
  4. Step 4: Simplify right side
    70,319.70x = 3,734,237,270.14
  5. Step 5: Solve for x
    x = 3,734,237,270.14/70,319.70
  6. Step 6: Final answer
    x = 53,103.72

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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.