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Finding the Fourth Proportional to 9,173.69, 12,659.70 and 4,981.94

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Solution

The fourth proportional to 9,173.69, 12,659.70 and 4,981.94 is: 6,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.69 : 12,659.70 = 4,981.94 : x
  2. Step 2: Convert to fraction form
    9,173.69/12,659.70 = 4,981.94/x
  3. Step 3: Cross multiply
    9,173.69x = 12,659.70 × 4,981.94
  4. Step 4: Simplify right side
    9,173.69x = 63,069,865.82
  5. Step 5: Solve for x
    x = 63,069,865.82/9,173.69
  6. Step 6: Final answer
    x = 6,875.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.