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Finding the Fourth Proportional to 7,335.50, 10,123.01 and 4,191.68

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Solution

The fourth proportional to 7,335.50, 10,123.01 and 4,191.68 is: 5,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.50 : 10,123.01 = 4,191.68 : x
  2. Step 2: Convert to fraction form
    7,335.50/10,123.01 = 4,191.68/x
  3. Step 3: Cross multiply
    7,335.50x = 10,123.01 × 4,191.68
  4. Step 4: Simplify right side
    7,335.50x = 42,432,397.60
  5. Step 5: Solve for x
    x = 42,432,397.60/7,335.50
  6. Step 6: Final answer
    x = 5,784.53

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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.