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Finding the Fourth Proportional to 70,740.48, 106,087.68 and 33,294.72

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Solution

The fourth proportional to 70,740.48, 106,087.68 and 33,294.72 is: 49,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,740.48 : 106,087.68 = 33,294.72 : x
  2. Step 2: Convert to fraction form
    70,740.48/106,087.68 = 33,294.72/x
  3. Step 3: Cross multiply
    70,740.48x = 106,087.68 × 33,294.72
  4. Step 4: Simplify right side
    70,740.48x = 3,532,159,601.05
  5. Step 5: Solve for x
    x = 3,532,159,601.05/70,740.48
  6. Step 6: Final answer
    x = 49,931.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.