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Finding the Fourth Proportional to 66,232.10, 99,349.24 and 19,486.10

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Solution

The fourth proportional to 66,232.10, 99,349.24 and 19,486.10 is: 29,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,232.10 : 99,349.24 = 19,486.10 : x
  2. Step 2: Convert to fraction form
    66,232.10/99,349.24 = 19,486.10/x
  3. Step 3: Cross multiply
    66,232.10x = 99,349.24 × 19,486.10
  4. Step 4: Simplify right side
    66,232.10x = 1,935,929,225.56
  5. Step 5: Solve for x
    x = 1,935,929,225.56/66,232.10
  6. Step 6: Final answer
    x = 29,229.47

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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.