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Finding the Fourth Proportional to 56,387.33, 77,822.80 and 32,509.34

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Solution

The fourth proportional to 56,387.33, 77,822.80 and 32,509.34 is: 44,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.33 : 77,822.80 = 32,509.34 : x
  2. Step 2: Convert to fraction form
    56,387.33/77,822.80 = 32,509.34/x
  3. Step 3: Cross multiply
    56,387.33x = 77,822.80 × 32,509.34
  4. Step 4: Simplify right side
    56,387.33x = 2,529,967,394.56
  5. Step 5: Solve for x
    x = 2,529,967,394.56/56,387.33
  6. Step 6: Final answer
    x = 44,867.66

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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.