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Finding the Fourth Proportional to 56,177, 84,330.30 and 28,533.32

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Solution

The fourth proportional to 56,177, 84,330.30 and 28,533.32 is: 42,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,177 : 84,330.30 = 28,533.32 : x
  2. Step 2: Convert to fraction form
    56,177/84,330.30 = 28,533.32/x
  3. Step 3: Cross multiply
    56,177x = 84,330.30 × 28,533.32
  4. Step 4: Simplify right side
    56,177x = 2,406,223,435.60
  5. Step 5: Solve for x
    x = 2,406,223,435.60/56,177
  6. Step 6: Final answer
    x = 42,832.89

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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.