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Finding the Fourth Proportional to 51,398.34, 70,949.34 and 33,497.76

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Solution

The fourth proportional to 51,398.34, 70,949.34 and 33,497.76 is: 46,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,398.34 : 70,949.34 = 33,497.76 : x
  2. Step 2: Convert to fraction form
    51,398.34/70,949.34 = 33,497.76/x
  3. Step 3: Cross multiply
    51,398.34x = 70,949.34 × 33,497.76
  4. Step 4: Simplify right side
    51,398.34x = 2,376,643,963.48
  5. Step 5: Solve for x
    x = 2,376,643,963.48/51,398.34
  6. Step 6: Final answer
    x = 46,239.70

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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.