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Finding the Fourth Proportional to 22,681.04, 34,013.16 and 7,886

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Solution

The fourth proportional to 22,681.04, 34,013.16 and 7,886 is: 11,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681.04 : 34,013.16 = 7,886 : x
  2. Step 2: Convert to fraction form
    22,681.04/34,013.16 = 7,886/x
  3. Step 3: Cross multiply
    22,681.04x = 34,013.16 × 7,886
  4. Step 4: Simplify right side
    22,681.04x = 268,227,779.76
  5. Step 5: Solve for x
    x = 268,227,779.76/22,681.04
  6. Step 6: Final answer
    x = 11,826.08

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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.