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Finding the Fourth Proportional to 42,259, 63,410.36 and 21,482.52

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Solution

The fourth proportional to 42,259, 63,410.36 and 21,482.52 is: 32,234.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,259 : 63,410.36 = 21,482.52 : x
  2. Step 2: Convert to fraction form
    42,259/63,410.36 = 21,482.52/x
  3. Step 3: Cross multiply
    42,259x = 63,410.36 × 21,482.52
  4. Step 4: Simplify right side
    42,259x = 1,362,214,326.91
  5. Step 5: Solve for x
    x = 1,362,214,326.91/42,259
  6. Step 6: Final answer
    x = 32,234.89

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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.