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Finding the Fourth Proportional to 70,497.95, 97,292.11 and 40,287.73

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Solution

The fourth proportional to 70,497.95, 97,292.11 and 40,287.73 is: 55,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,497.95 : 97,292.11 = 40,287.73 : x
  2. Step 2: Convert to fraction form
    70,497.95/97,292.11 = 40,287.73/x
  3. Step 3: Cross multiply
    70,497.95x = 97,292.11 × 40,287.73
  4. Step 4: Simplify right side
    70,497.95x = 3,919,678,286.13
  5. Step 5: Solve for x
    x = 3,919,678,286.13/70,497.95
  6. Step 6: Final answer
    x = 55,599.89

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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.