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Finding the Fourth Proportional to 70,703.67, 97,572.69 and 38,440.11

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Solution

The fourth proportional to 70,703.67, 97,572.69 and 38,440.11 is: 53,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,703.67 : 97,572.69 = 38,440.11 : x
  2. Step 2: Convert to fraction form
    70,703.67/97,572.69 = 38,440.11/x
  3. Step 3: Cross multiply
    70,703.67x = 97,572.69 × 38,440.11
  4. Step 4: Simplify right side
    70,703.67x = 3,750,704,936.60
  5. Step 5: Solve for x
    x = 3,750,704,936.60/70,703.67
  6. Step 6: Final answer
    x = 53,048.24

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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.