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Finding the Fourth Proportional to 70,340.99, 97,066.85 and 38,503.71

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Solution

The fourth proportional to 70,340.99, 97,066.85 and 38,503.71 is: 53,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,340.99 : 97,066.85 = 38,503.71 : x
  2. Step 2: Convert to fraction form
    70,340.99/97,066.85 = 38,503.71/x
  3. Step 3: Cross multiply
    70,340.99x = 97,066.85 × 38,503.71
  4. Step 4: Simplify right side
    70,340.99x = 3,737,433,650.49
  5. Step 5: Solve for x
    x = 3,737,433,650.49/70,340.99
  6. Step 6: Final answer
    x = 53,133.09

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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.