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Finding the Fourth Proportional to 11,070.87, 15,277.58 and 6,102.87

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Solution

The fourth proportional to 11,070.87, 15,277.58 and 6,102.87 is: 8,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.87 : 15,277.58 = 6,102.87 : x
  2. Step 2: Convert to fraction form
    11,070.87/15,277.58 = 6,102.87/x
  3. Step 3: Cross multiply
    11,070.87x = 15,277.58 × 6,102.87
  4. Step 4: Simplify right side
    11,070.87x = 93,237,054.14
  5. Step 5: Solve for x
    x = 93,237,054.14/11,070.87
  6. Step 6: Final answer
    x = 8,421.84

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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.