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Finding the Fourth Proportional to 8,607.59, 11,877.50 and 4,829.98

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Solution

The fourth proportional to 8,607.59, 11,877.50 and 4,829.98 is: 6,664.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.59 : 11,877.50 = 4,829.98 : x
  2. Step 2: Convert to fraction form
    8,607.59/11,877.50 = 4,829.98/x
  3. Step 3: Cross multiply
    8,607.59x = 11,877.50 × 4,829.98
  4. Step 4: Simplify right side
    8,607.59x = 57,368,069.83
  5. Step 5: Solve for x
    x = 57,368,069.83/8,607.59
  6. Step 6: Final answer
    x = 6,664.82

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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.