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Finding the Fourth Proportional to 59,393.60, 81,971.28 and 36,419.36

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Solution

The fourth proportional to 59,393.60, 81,971.28 and 36,419.36 is: 50,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,393.60 : 81,971.28 = 36,419.36 : x
  2. Step 2: Convert to fraction form
    59,393.60/81,971.28 = 36,419.36/x
  3. Step 3: Cross multiply
    59,393.60x = 81,971.28 × 36,419.36
  4. Step 4: Simplify right side
    59,393.60x = 2,985,341,555.98
  5. Step 5: Solve for x
    x = 2,985,341,555.98/59,393.60
  6. Step 6: Final answer
    x = 50,263.69

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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.