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Finding the Fourth Proportional to 10,001.70, 14,980.95 and 8,273.70

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Solution

The fourth proportional to 10,001.70, 14,980.95 and 8,273.70 is: 12,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.70 : 14,980.95 = 8,273.70 : x
  2. Step 2: Convert to fraction form
    10,001.70/14,980.95 = 8,273.70/x
  3. Step 3: Cross multiply
    10,001.70x = 14,980.95 × 8,273.70
  4. Step 4: Simplify right side
    10,001.70x = 123,947,886.02
  5. Step 5: Solve for x
    x = 123,947,886.02/10,001.70
  6. Step 6: Final answer
    x = 12,392.68

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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.