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Finding the Fourth Proportional to 56,536.40, 84,801.88 and 21,473.32

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Solution

The fourth proportional to 56,536.40, 84,801.88 and 21,473.32 is: 32,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,536.40 : 84,801.88 = 21,473.32 : x
  2. Step 2: Convert to fraction form
    56,536.40/84,801.88 = 21,473.32/x
  3. Step 3: Cross multiply
    56,536.40x = 84,801.88 × 21,473.32
  4. Step 4: Simplify right side
    56,536.40x = 1,820,977,905.84
  5. Step 5: Solve for x
    x = 1,820,977,905.84/56,536.40
  6. Step 6: Final answer
    x = 32,208.95

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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.