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Finding the Fourth Proportional to 12,501, 18,759.96 and 4,710.24

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Solution

The fourth proportional to 12,501, 18,759.96 and 4,710.24 is: 7,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501 : 18,759.96 = 4,710.24 : x
  2. Step 2: Convert to fraction form
    12,501/18,759.96 = 4,710.24/x
  3. Step 3: Cross multiply
    12,501x = 18,759.96 × 4,710.24
  4. Step 4: Simplify right side
    12,501x = 88,363,913.99
  5. Step 5: Solve for x
    x = 88,363,913.99/12,501
  6. Step 6: Final answer
    x = 7,068.55

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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.