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Finding the Fourth Proportional to 56,493.82, 84,740.10 and 13,799.62

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Solution

The fourth proportional to 56,493.82, 84,740.10 and 13,799.62 is: 20,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,493.82 : 84,740.10 = 13,799.62 : x
  2. Step 2: Convert to fraction form
    56,493.82/84,740.10 = 13,799.62/x
  3. Step 3: Cross multiply
    56,493.82x = 84,740.10 × 13,799.62
  4. Step 4: Simplify right side
    56,493.82x = 1,169,381,178.76
  5. Step 5: Solve for x
    x = 1,169,381,178.76/56,493.82
  6. Step 6: Final answer
    x = 20,699.28

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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.