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Finding the Fourth Proportional to 52,988.74, 73,126.02 and 30,335

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Solution

The fourth proportional to 52,988.74, 73,126.02 and 30,335 is: 41,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,988.74 : 73,126.02 = 30,335 : x
  2. Step 2: Convert to fraction form
    52,988.74/73,126.02 = 30,335/x
  3. Step 3: Cross multiply
    52,988.74x = 73,126.02 × 30,335
  4. Step 4: Simplify right side
    52,988.74x = 2,218,277,816.70
  5. Step 5: Solve for x
    x = 2,218,277,816.70/52,988.74
  6. Step 6: Final answer
    x = 41,863.19

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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.