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Finding the Fourth Proportional to 14,291.56, 21,444.65 and 6,803.58

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Solution

The fourth proportional to 14,291.56, 21,444.65 and 6,803.58 is: 10,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.56 : 21,444.65 = 6,803.58 : x
  2. Step 2: Convert to fraction form
    14,291.56/21,444.65 = 6,803.58/x
  3. Step 3: Cross multiply
    14,291.56x = 21,444.65 × 6,803.58
  4. Step 4: Simplify right side
    14,291.56x = 145,900,391.85
  5. Step 5: Solve for x
    x = 145,900,391.85/14,291.56
  6. Step 6: Final answer
    x = 10,208.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.