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Finding the Fourth Proportional to 51,424.92, 70,965.45 and 29,068.92

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Solution

The fourth proportional to 51,424.92, 70,965.45 and 29,068.92 is: 40,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,424.92 : 70,965.45 = 29,068.92 : x
  2. Step 2: Convert to fraction form
    51,424.92/70,965.45 = 29,068.92/x
  3. Step 3: Cross multiply
    51,424.92x = 70,965.45 × 29,068.92
  4. Step 4: Simplify right side
    51,424.92x = 2,062,888,988.81
  5. Step 5: Solve for x
    x = 2,062,888,988.81/51,424.92
  6. Step 6: Final answer
    x = 40,114.58

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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.