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Finding the Fourth Proportional to 7,218.66, 9,963.33 and 4,569.60

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Solution

The fourth proportional to 7,218.66, 9,963.33 and 4,569.60 is: 6,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.66 : 9,963.33 = 4,569.60 : x
  2. Step 2: Convert to fraction form
    7,218.66/9,963.33 = 4,569.60/x
  3. Step 3: Cross multiply
    7,218.66x = 9,963.33 × 4,569.60
  4. Step 4: Simplify right side
    7,218.66x = 45,528,432.77
  5. Step 5: Solve for x
    x = 45,528,432.77/7,218.66
  6. Step 6: Final answer
    x = 6,307.05

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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.