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Finding the Fourth Proportional to 9,451.78, 14,166.92 and 7,356.30

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Solution

The fourth proportional to 9,451.78, 14,166.92 and 7,356.30 is: 11,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.78 : 14,166.92 = 7,356.30 : x
  2. Step 2: Convert to fraction form
    9,451.78/14,166.92 = 7,356.30/x
  3. Step 3: Cross multiply
    9,451.78x = 14,166.92 × 7,356.30
  4. Step 4: Simplify right side
    9,451.78x = 104,216,113.60
  5. Step 5: Solve for x
    x = 104,216,113.60/9,451.78
  6. Step 6: Final answer
    x = 11,026.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.