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Finding the Fourth Proportional to 19,101.84, 28,652.72 and 9,242.08

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Solution

The fourth proportional to 19,101.84, 28,652.72 and 9,242.08 is: 13,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.84 : 28,652.72 = 9,242.08 : x
  2. Step 2: Convert to fraction form
    19,101.84/28,652.72 = 9,242.08/x
  3. Step 3: Cross multiply
    19,101.84x = 28,652.72 × 9,242.08
  4. Step 4: Simplify right side
    19,101.84x = 264,810,730.46
  5. Step 5: Solve for x
    x = 264,810,730.46/19,101.84
  6. Step 6: Final answer
    x = 13,863.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.