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Finding the Fourth Proportional to 56,498.50, 84,759.90 and 19,059.49

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Solution

The fourth proportional to 56,498.50, 84,759.90 and 19,059.49 is: 28,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,498.50 : 84,759.90 = 19,059.49 : x
  2. Step 2: Convert to fraction form
    56,498.50/84,759.90 = 19,059.49/x
  3. Step 3: Cross multiply
    56,498.50x = 84,759.90 × 19,059.49
  4. Step 4: Simplify right side
    56,498.50x = 1,615,480,466.45
  5. Step 5: Solve for x
    x = 1,615,480,466.45/56,498.50
  6. Step 6: Final answer
    x = 28,593.33

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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.