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Finding the Fourth Proportional to 6,265.79, 8,642.88 and 4,030.58

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Solution

The fourth proportional to 6,265.79, 8,642.88 and 4,030.58 is: 5,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,265.79 : 8,642.88 = 4,030.58 : x
  2. Step 2: Convert to fraction form
    6,265.79/8,642.88 = 4,030.58/x
  3. Step 3: Cross multiply
    6,265.79x = 8,642.88 × 4,030.58
  4. Step 4: Simplify right side
    6,265.79x = 34,835,819.27
  5. Step 5: Solve for x
    x = 34,835,819.27/6,265.79
  6. Step 6: Final answer
    x = 5,559.69

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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.