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Finding the Fourth Proportional to 70,357.36, 97,093.10 and 38,526.88

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Solution

The fourth proportional to 70,357.36, 97,093.10 and 38,526.88 is: 53,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,357.36 : 97,093.10 = 38,526.88 : x
  2. Step 2: Convert to fraction form
    70,357.36/97,093.10 = 38,526.88/x
  3. Step 3: Cross multiply
    70,357.36x = 97,093.10 × 38,526.88
  4. Step 4: Simplify right side
    70,357.36x = 3,740,694,212.53
  5. Step 5: Solve for x
    x = 3,740,694,212.53/70,357.36
  6. Step 6: Final answer
    x = 53,167.06

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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.