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Finding the Fourth Proportional to 56,219.05, 77,590.44 and 33,559

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Solution

The fourth proportional to 56,219.05, 77,590.44 and 33,559 is: 46,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,219.05 : 77,590.44 = 33,559 : x
  2. Step 2: Convert to fraction form
    56,219.05/77,590.44 = 33,559/x
  3. Step 3: Cross multiply
    56,219.05x = 77,590.44 × 33,559
  4. Step 4: Simplify right side
    56,219.05x = 2,603,857,575.96
  5. Step 5: Solve for x
    x = 2,603,857,575.96/56,219.05
  6. Step 6: Final answer
    x = 46,316.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.