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Finding the Fourth Proportional to 50,963.68, 70,364.16 and 39,005.68

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Solution

The fourth proportional to 50,963.68, 70,364.16 and 39,005.68 is: 53,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,963.68 : 70,364.16 = 39,005.68 : x
  2. Step 2: Convert to fraction form
    50,963.68/70,364.16 = 39,005.68/x
  3. Step 3: Cross multiply
    50,963.68x = 70,364.16 × 39,005.68
  4. Step 4: Simplify right side
    50,963.68x = 2,744,601,908.43
  5. Step 5: Solve for x
    x = 2,744,601,908.43/50,963.68
  6. Step 6: Final answer
    x = 53,854.08

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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.