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Finding the Fourth Proportional to 19,888.68, 29,832.84 and 6,037.68

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Solution

The fourth proportional to 19,888.68, 29,832.84 and 6,037.68 is: 9,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.68 : 29,832.84 = 6,037.68 : x
  2. Step 2: Convert to fraction form
    19,888.68/29,832.84 = 6,037.68/x
  3. Step 3: Cross multiply
    19,888.68x = 29,832.84 × 6,037.68
  4. Step 4: Simplify right side
    19,888.68x = 180,121,141.41
  5. Step 5: Solve for x
    x = 180,121,141.41/19,888.68
  6. Step 6: Final answer
    x = 9,056.47

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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.