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Finding the Fourth Proportional to 6,341.64, 9,509.04 and 2,877

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Solution

The fourth proportional to 6,341.64, 9,509.04 and 2,877 is: 4,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.64 : 9,509.04 = 2,877 : x
  2. Step 2: Convert to fraction form
    6,341.64/9,509.04 = 2,877/x
  3. Step 3: Cross multiply
    6,341.64x = 9,509.04 × 2,877
  4. Step 4: Simplify right side
    6,341.64x = 27,357,508.08
  5. Step 5: Solve for x
    x = 27,357,508.08/6,341.64
  6. Step 6: Final answer
    x = 4,313.95

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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.