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Finding the Fourth Proportional to 70,191.94, 96,871.54 and 38,365.62

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Solution

The fourth proportional to 70,191.94, 96,871.54 and 38,365.62 is: 52,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,191.94 : 96,871.54 = 38,365.62 : x
  2. Step 2: Convert to fraction form
    70,191.94/96,871.54 = 38,365.62/x
  3. Step 3: Cross multiply
    70,191.94x = 96,871.54 × 38,365.62
  4. Step 4: Simplify right side
    70,191.94x = 3,716,536,692.45
  5. Step 5: Solve for x
    x = 3,716,536,692.45/70,191.94
  6. Step 6: Final answer
    x = 52,948.20

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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.