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Finding the Fourth Proportional to 8,776.61, 13,159.65 and 4,026.81

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Solution

The fourth proportional to 8,776.61, 13,159.65 and 4,026.81 is: 6,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.61 : 13,159.65 = 4,026.81 : x
  2. Step 2: Convert to fraction form
    8,776.61/13,159.65 = 4,026.81/x
  3. Step 3: Cross multiply
    8,776.61x = 13,159.65 × 4,026.81
  4. Step 4: Simplify right side
    8,776.61x = 52,991,410.22
  5. Step 5: Solve for x
    x = 52,991,410.22/8,776.61
  6. Step 6: Final answer
    x = 6,037.80

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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.