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Finding the Fourth Proportional to 57,888.05, 86,832.08 and 18,448.05

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Solution

The fourth proportional to 57,888.05, 86,832.08 and 18,448.05 is: 27,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,888.05 : 86,832.08 = 18,448.05 : x
  2. Step 2: Convert to fraction form
    57,888.05/86,832.08 = 18,448.05/x
  3. Step 3: Cross multiply
    57,888.05x = 86,832.08 × 18,448.05
  4. Step 4: Simplify right side
    57,888.05x = 1,601,882,461.20
  5. Step 5: Solve for x
    x = 1,601,882,461.20/57,888.05
  6. Step 6: Final answer
    x = 27,672.08

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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.