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Finding the Fourth Proportional to 58,778.88, 88,188.80 and 21,853.44

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Solution

The fourth proportional to 58,778.88, 88,188.80 and 21,853.44 is: 32,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,778.88 : 88,188.80 = 21,853.44 : x
  2. Step 2: Convert to fraction form
    58,778.88/88,188.80 = 21,853.44/x
  3. Step 3: Cross multiply
    58,778.88x = 88,188.80 × 21,853.44
  4. Step 4: Simplify right side
    58,778.88x = 1,927,228,649.47
  5. Step 5: Solve for x
    x = 1,927,228,649.47/58,778.88
  6. Step 6: Final answer
    x = 32,787.77

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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.