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Finding the Fourth Proportional to 56,653.84, 84,978.84 and 21,592.24

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Solution

The fourth proportional to 56,653.84, 84,978.84 and 21,592.24 is: 32,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,653.84 : 84,978.84 = 21,592.24 : x
  2. Step 2: Convert to fraction form
    56,653.84/84,978.84 = 21,592.24/x
  3. Step 3: Cross multiply
    56,653.84x = 84,978.84 × 21,592.24
  4. Step 4: Simplify right side
    56,653.84x = 1,834,883,508.20
  5. Step 5: Solve for x
    x = 1,834,883,508.20/56,653.84
  6. Step 6: Final answer
    x = 32,387.63

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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.