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Finding the Fourth Proportional to 4,681.88, 6,461.06 and 2,586

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Solution

The fourth proportional to 4,681.88, 6,461.06 and 2,586 is: 3,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.88 : 6,461.06 = 2,586 : x
  2. Step 2: Convert to fraction form
    4,681.88/6,461.06 = 2,586/x
  3. Step 3: Cross multiply
    4,681.88x = 6,461.06 × 2,586
  4. Step 4: Simplify right side
    4,681.88x = 16,708,288.23
  5. Step 5: Solve for x
    x = 16,708,288.23/4,681.88
  6. Step 6: Final answer
    x = 3,568.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.