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Finding the Fourth Proportional to 8,646.76, 12,973.18 and 4,267.32

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Solution

The fourth proportional to 8,646.76, 12,973.18 and 4,267.32 is: 6,402.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.76 : 12,973.18 = 4,267.32 : x
  2. Step 2: Convert to fraction form
    8,646.76/12,973.18 = 4,267.32/x
  3. Step 3: Cross multiply
    8,646.76x = 12,973.18 × 4,267.32
  4. Step 4: Simplify right side
    8,646.76x = 55,360,710.48
  5. Step 5: Solve for x
    x = 55,360,710.48/8,646.76
  6. Step 6: Final answer
    x = 6,402.48

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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.