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Finding the Fourth Proportional to 5,263.64, 7,895.52 and 1,368.08

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Solution

The fourth proportional to 5,263.64, 7,895.52 and 1,368.08 is: 2,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.64 : 7,895.52 = 1,368.08 : x
  2. Step 2: Convert to fraction form
    5,263.64/7,895.52 = 1,368.08/x
  3. Step 3: Cross multiply
    5,263.64x = 7,895.52 × 1,368.08
  4. Step 4: Simplify right side
    5,263.64x = 10,801,703.00
  5. Step 5: Solve for x
    x = 10,801,703.00/5,263.64
  6. Step 6: Final answer
    x = 2,052.14

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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.