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Finding the Fourth Proportional to 55,975.98, 83,963.96 and 38,392.50

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Solution

The fourth proportional to 55,975.98, 83,963.96 and 38,392.50 is: 57,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,975.98 : 83,963.96 = 38,392.50 : x
  2. Step 2: Convert to fraction form
    55,975.98/83,963.96 = 38,392.50/x
  3. Step 3: Cross multiply
    55,975.98x = 83,963.96 × 38,392.50
  4. Step 4: Simplify right side
    55,975.98x = 3,223,586,334.30
  5. Step 5: Solve for x
    x = 3,223,586,334.30/55,975.98
  6. Step 6: Final answer
    x = 57,588.74

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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.