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Finding the Fourth Proportional to 37,897.02, 56,845.72 and 9,815.12

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Solution

The fourth proportional to 37,897.02, 56,845.72 and 9,815.12 is: 14,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,897.02 : 56,845.72 = 9,815.12 : x
  2. Step 2: Convert to fraction form
    37,897.02/56,845.72 = 9,815.12/x
  3. Step 3: Cross multiply
    37,897.02x = 56,845.72 × 9,815.12
  4. Step 4: Simplify right side
    37,897.02x = 557,947,563.29
  5. Step 5: Solve for x
    x = 557,947,563.29/37,897.02
  6. Step 6: Final answer
    x = 14,722.73

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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.