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Finding the Fourth Proportional to 5,368.87, 7,412.48 and 4,808.35

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Solution

The fourth proportional to 5,368.87, 7,412.48 and 4,808.35 is: 6,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.87 : 7,412.48 = 4,808.35 : x
  2. Step 2: Convert to fraction form
    5,368.87/7,412.48 = 4,808.35/x
  3. Step 3: Cross multiply
    5,368.87x = 7,412.48 × 4,808.35
  4. Step 4: Simplify right side
    5,368.87x = 35,641,798.21
  5. Step 5: Solve for x
    x = 35,641,798.21/5,368.87
  6. Step 6: Final answer
    x = 6,638.60

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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.