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Finding the Fourth Proportional to 8,376, 11,559.02 and 4,650

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Solution

The fourth proportional to 8,376, 11,559.02 and 4,650 is: 6,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376 : 11,559.02 = 4,650 : x
  2. Step 2: Convert to fraction form
    8,376/11,559.02 = 4,650/x
  3. Step 3: Cross multiply
    8,376x = 11,559.02 × 4,650
  4. Step 4: Simplify right side
    8,376x = 53,749,443
  5. Step 5: Solve for x
    x = 53,749,443/8,376
  6. Step 6: Final answer
    x = 6,417.08

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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.