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Finding the Fourth Proportional to 70,677.42, 97,530.39 and 38,843.34

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Solution

The fourth proportional to 70,677.42, 97,530.39 and 38,843.34 is: 53,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,677.42 : 97,530.39 = 38,843.34 : x
  2. Step 2: Convert to fraction form
    70,677.42/97,530.39 = 38,843.34/x
  3. Step 3: Cross multiply
    70,677.42x = 97,530.39 × 38,843.34
  4. Step 4: Simplify right side
    70,677.42x = 3,788,406,099.10
  5. Step 5: Solve for x
    x = 3,788,406,099.10/70,677.42
  6. Step 6: Final answer
    x = 53,601.36

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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.