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Finding the Fourth Proportional to 10,059.04, 13,879.04 and 6,521.76

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Solution

The fourth proportional to 10,059.04, 13,879.04 and 6,521.76 is: 8,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059.04 : 13,879.04 = 6,521.76 : x
  2. Step 2: Convert to fraction form
    10,059.04/13,879.04 = 6,521.76/x
  3. Step 3: Cross multiply
    10,059.04x = 13,879.04 × 6,521.76
  4. Step 4: Simplify right side
    10,059.04x = 90,515,767.91
  5. Step 5: Solve for x
    x = 90,515,767.91/10,059.04
  6. Step 6: Final answer
    x = 8,998.45

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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.