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Finding the Fourth Proportional to 7,376.90, 11,006.73 and 6,854.31

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Solution

The fourth proportional to 7,376.90, 11,006.73 and 6,854.31 is: 10,227.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.90 : 11,006.73 = 6,854.31 : x
  2. Step 2: Convert to fraction form
    7,376.90/11,006.73 = 6,854.31/x
  3. Step 3: Cross multiply
    7,376.90x = 11,006.73 × 6,854.31
  4. Step 4: Simplify right side
    7,376.90x = 75,443,539.51
  5. Step 5: Solve for x
    x = 75,443,539.51/7,376.90
  6. Step 6: Final answer
    x = 10,227.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.