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Finding the Fourth Proportional to 8,397.54, 11,579.00 and 5,368.62

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Solution

The fourth proportional to 8,397.54, 11,579.00 and 5,368.62 is: 7,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.54 : 11,579.00 = 5,368.62 : x
  2. Step 2: Convert to fraction form
    8,397.54/11,579.00 = 5,368.62/x
  3. Step 3: Cross multiply
    8,397.54x = 11,579.00 × 5,368.62
  4. Step 4: Simplify right side
    8,397.54x = 62,163,180.72
  5. Step 5: Solve for x
    x = 62,163,180.72/8,397.54
  6. Step 6: Final answer
    x = 7,402.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.