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Finding the Fourth Proportional to 9,897.81, 14,843.09 and 2,875.92

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Solution

The fourth proportional to 9,897.81, 14,843.09 and 2,875.92 is: 4,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,897.81 : 14,843.09 = 2,875.92 : x
  2. Step 2: Convert to fraction form
    9,897.81/14,843.09 = 2,875.92/x
  3. Step 3: Cross multiply
    9,897.81x = 14,843.09 × 2,875.92
  4. Step 4: Simplify right side
    9,897.81x = 42,687,525.01
  5. Step 5: Solve for x
    x = 42,687,525.01/9,897.81
  6. Step 6: Final answer
    x = 4,312.83

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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.