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Finding the Fourth Proportional to 11,295.08, 15,577.56 and 8,933.12

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Solution

The fourth proportional to 11,295.08, 15,577.56 and 8,933.12 is: 12,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.08 : 15,577.56 = 8,933.12 : x
  2. Step 2: Convert to fraction form
    11,295.08/15,577.56 = 8,933.12/x
  3. Step 3: Cross multiply
    11,295.08x = 15,577.56 × 8,933.12
  4. Step 4: Simplify right side
    11,295.08x = 139,156,212.79
  5. Step 5: Solve for x
    x = 139,156,212.79/11,295.08
  6. Step 6: Final answer
    x = 12,320.07

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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.