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Finding the Fourth Proportional to 60,666.73, 83,720.16 and 33,808.64

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Solution

The fourth proportional to 60,666.73, 83,720.16 and 33,808.64 is: 46,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,666.73 : 83,720.16 = 33,808.64 : x
  2. Step 2: Convert to fraction form
    60,666.73/83,720.16 = 33,808.64/x
  3. Step 3: Cross multiply
    60,666.73x = 83,720.16 × 33,808.64
  4. Step 4: Simplify right side
    60,666.73x = 2,830,464,331.58
  5. Step 5: Solve for x
    x = 2,830,464,331.58/60,666.73
  6. Step 6: Final answer
    x = 46,655.96

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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.