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Finding the Fourth Proportional to 56,064.88, 84,097.32 and 20,533.42

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Solution

The fourth proportional to 56,064.88, 84,097.32 and 20,533.42 is: 30,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,064.88 : 84,097.32 = 20,533.42 : x
  2. Step 2: Convert to fraction form
    56,064.88/84,097.32 = 20,533.42/x
  3. Step 3: Cross multiply
    56,064.88x = 84,097.32 × 20,533.42
  4. Step 4: Simplify right side
    56,064.88x = 1,726,805,592.43
  5. Step 5: Solve for x
    x = 1,726,805,592.43/56,064.88
  6. Step 6: Final answer
    x = 30,800.13

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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.