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Finding the Fourth Proportional to 32,099.68, 44,303.68 and 21,507.76

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Solution

The fourth proportional to 32,099.68, 44,303.68 and 21,507.76 is: 29,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,099.68 : 44,303.68 = 21,507.76 : x
  2. Step 2: Convert to fraction form
    32,099.68/44,303.68 = 21,507.76/x
  3. Step 3: Cross multiply
    32,099.68x = 44,303.68 × 21,507.76
  4. Step 4: Simplify right side
    32,099.68x = 952,872,916.56
  5. Step 5: Solve for x
    x = 952,872,916.56/32,099.68
  6. Step 6: Final answer
    x = 29,684.81

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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.