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Finding the Fourth Proportional to 59,988.87, 82,783.98 and 33,130.86

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Solution

The fourth proportional to 59,988.87, 82,783.98 and 33,130.86 is: 45,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,988.87 : 82,783.98 = 33,130.86 : x
  2. Step 2: Convert to fraction form
    59,988.87/82,783.98 = 33,130.86/x
  3. Step 3: Cross multiply
    59,988.87x = 82,783.98 × 33,130.86
  4. Step 4: Simplify right side
    59,988.87x = 2,742,704,451.62
  5. Step 5: Solve for x
    x = 2,742,704,451.62/59,988.87
  6. Step 6: Final answer
    x = 45,720.22

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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.