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Finding the Fourth Proportional to 61,666.77, 85,100.42 and 33,372.47

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Solution

The fourth proportional to 61,666.77, 85,100.42 and 33,372.47 is: 46,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,666.77 : 85,100.42 = 33,372.47 : x
  2. Step 2: Convert to fraction form
    61,666.77/85,100.42 = 33,372.47/x
  3. Step 3: Cross multiply
    61,666.77x = 85,100.42 × 33,372.47
  4. Step 4: Simplify right side
    61,666.77x = 2,840,010,621.07
  5. Step 5: Solve for x
    x = 2,840,010,621.07/61,666.77
  6. Step 6: Final answer
    x = 46,054.15

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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.