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Finding the Fourth Proportional to 56,367.29, 84,552.30 and 18,928.59

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Solution

The fourth proportional to 56,367.29, 84,552.30 and 18,928.59 is: 28,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,367.29 : 84,552.30 = 18,928.59 : x
  2. Step 2: Convert to fraction form
    56,367.29/84,552.30 = 18,928.59/x
  3. Step 3: Cross multiply
    56,367.29x = 84,552.30 × 18,928.59
  4. Step 4: Simplify right side
    56,367.29x = 1,600,455,820.26
  5. Step 5: Solve for x
    x = 1,600,455,820.26/56,367.29
  6. Step 6: Final answer
    x = 28,393.35

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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.