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Finding the Fourth Proportional to 10,803.91, 14,909.38 and 5,835.91

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Solution

The fourth proportional to 10,803.91, 14,909.38 and 5,835.91 is: 8,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.91 : 14,909.38 = 5,835.91 : x
  2. Step 2: Convert to fraction form
    10,803.91/14,909.38 = 5,835.91/x
  3. Step 3: Cross multiply
    10,803.91x = 14,909.38 × 5,835.91
  4. Step 4: Simplify right side
    10,803.91x = 87,009,799.84
  5. Step 5: Solve for x
    x = 87,009,799.84/10,803.91
  6. Step 6: Final answer
    x = 8,053.55

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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.