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Finding the Fourth Proportional to 42,166.48, 63,249.72 and 14,464.72

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Solution

The fourth proportional to 42,166.48, 63,249.72 and 14,464.72 is: 21,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,166.48 : 63,249.72 = 14,464.72 : x
  2. Step 2: Convert to fraction form
    42,166.48/63,249.72 = 14,464.72/x
  3. Step 3: Cross multiply
    42,166.48x = 63,249.72 × 14,464.72
  4. Step 4: Simplify right side
    42,166.48x = 914,889,489.88
  5. Step 5: Solve for x
    x = 914,889,489.88/42,166.48
  6. Step 6: Final answer
    x = 21,697.08

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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.