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Finding the Fourth Proportional to 8,053.13, 11,113.45 and 4,865.99

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Solution

The fourth proportional to 8,053.13, 11,113.45 and 4,865.99 is: 6,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.13 : 11,113.45 = 4,865.99 : x
  2. Step 2: Convert to fraction form
    8,053.13/11,113.45 = 4,865.99/x
  3. Step 3: Cross multiply
    8,053.13x = 11,113.45 × 4,865.99
  4. Step 4: Simplify right side
    8,053.13x = 54,077,868.83
  5. Step 5: Solve for x
    x = 54,077,868.83/8,053.13
  6. Step 6: Final answer
    x = 6,715.13

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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.