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Finding the Fourth Proportional to 70,042.46, 105,046.68 and 23,289.26

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Solution

The fourth proportional to 70,042.46, 105,046.68 and 23,289.26 is: 34,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,042.46 : 105,046.68 = 23,289.26 : x
  2. Step 2: Convert to fraction form
    70,042.46/105,046.68 = 23,289.26/x
  3. Step 3: Cross multiply
    70,042.46x = 105,046.68 × 23,289.26
  4. Step 4: Simplify right side
    70,042.46x = 2,446,459,442.66
  5. Step 5: Solve for x
    x = 2,446,459,442.66/70,042.46
  6. Step 6: Final answer
    x = 34,928.23

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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.