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Finding the Fourth Proportional to 70,019.90, 105,013.65 and 23,260.22

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Solution

The fourth proportional to 70,019.90, 105,013.65 and 23,260.22 is: 34,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,019.90 : 105,013.65 = 23,260.22 : x
  2. Step 2: Convert to fraction form
    70,019.90/105,013.65 = 23,260.22/x
  3. Step 3: Cross multiply
    70,019.90x = 105,013.65 × 23,260.22
  4. Step 4: Simplify right side
    70,019.90x = 2,442,640,602.00
  5. Step 5: Solve for x
    x = 2,442,640,602.00/70,019.90
  6. Step 6: Final answer
    x = 34,884.95

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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.