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Finding the Fourth Proportional to 32,877.40, 49,321.02 and 12,099.32

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Solution

The fourth proportional to 32,877.40, 49,321.02 and 12,099.32 is: 18,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,877.40 : 49,321.02 = 12,099.32 : x
  2. Step 2: Convert to fraction form
    32,877.40/49,321.02 = 12,099.32/x
  3. Step 3: Cross multiply
    32,877.40x = 49,321.02 × 12,099.32
  4. Step 4: Simplify right side
    32,877.40x = 596,750,803.71
  5. Step 5: Solve for x
    x = 596,750,803.71/32,877.40
  6. Step 6: Final answer
    x = 18,150.79

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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.