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Finding the Fourth Proportional to 67,417.20, 101,117.70 and 27,970.20

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Solution

The fourth proportional to 67,417.20, 101,117.70 and 27,970.20 is: 41,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,417.20 : 101,117.70 = 27,970.20 : x
  2. Step 2: Convert to fraction form
    67,417.20/101,117.70 = 27,970.20/x
  3. Step 3: Cross multiply
    67,417.20x = 101,117.70 × 27,970.20
  4. Step 4: Simplify right side
    67,417.20x = 2,828,282,292.54
  5. Step 5: Solve for x
    x = 2,828,282,292.54/67,417.20
  6. Step 6: Final answer
    x = 41,951.94

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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.