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Finding the Fourth Proportional to 8,133.76, 11,224.58 and 4,407.76

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Solution

The fourth proportional to 8,133.76, 11,224.58 and 4,407.76 is: 6,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.76 : 11,224.58 = 4,407.76 : x
  2. Step 2: Convert to fraction form
    8,133.76/11,224.58 = 4,407.76/x
  3. Step 3: Cross multiply
    8,133.76x = 11,224.58 × 4,407.76
  4. Step 4: Simplify right side
    8,133.76x = 49,475,254.74
  5. Step 5: Solve for x
    x = 49,475,254.74/8,133.76
  6. Step 6: Final answer
    x = 6,082.70

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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.