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Finding the Fourth Proportional to 56,058.88, 84,088.08 and 18,621.76

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Solution

The fourth proportional to 56,058.88, 84,088.08 and 18,621.76 is: 27,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,058.88 : 84,088.08 = 18,621.76 : x
  2. Step 2: Convert to fraction form
    56,058.88/84,088.08 = 18,621.76/x
  3. Step 3: Cross multiply
    56,058.88x = 84,088.08 × 18,621.76
  4. Step 4: Simplify right side
    56,058.88x = 1,565,868,044.62
  5. Step 5: Solve for x
    x = 1,565,868,044.62/56,058.88
  6. Step 6: Final answer
    x = 27,932.56

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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.