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Finding the Fourth Proportional to 70,525.87, 97,325.80 and 38,694.89

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Solution

The fourth proportional to 70,525.87, 97,325.80 and 38,694.89 is: 53,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,525.87 : 97,325.80 = 38,694.89 : x
  2. Step 2: Convert to fraction form
    70,525.87/97,325.80 = 38,694.89/x
  3. Step 3: Cross multiply
    70,525.87x = 97,325.80 × 38,694.89
  4. Step 4: Simplify right side
    70,525.87x = 3,766,011,271.74
  5. Step 5: Solve for x
    x = 3,766,011,271.74/70,525.87
  6. Step 6: Final answer
    x = 53,399.01

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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.