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Finding the Fourth Proportional to 52,373.74, 72,277.36 and 28,499

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Solution

The fourth proportional to 52,373.74, 72,277.36 and 28,499 is: 39,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,373.74 : 72,277.36 = 28,499 : x
  2. Step 2: Convert to fraction form
    52,373.74/72,277.36 = 28,499/x
  3. Step 3: Cross multiply
    52,373.74x = 72,277.36 × 28,499
  4. Step 4: Simplify right side
    52,373.74x = 2,059,832,482.64
  5. Step 5: Solve for x
    x = 2,059,832,482.64/52,373.74
  6. Step 6: Final answer
    x = 39,329.49

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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.