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Finding the Fourth Proportional to 61,668.53, 85,102.65 and 33,374.21

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Solution

The fourth proportional to 61,668.53, 85,102.65 and 33,374.21 is: 46,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668.53 : 85,102.65 = 33,374.21 : x
  2. Step 2: Convert to fraction form
    61,668.53/85,102.65 = 33,374.21/x
  3. Step 3: Cross multiply
    61,668.53x = 85,102.65 × 33,374.21
  4. Step 4: Simplify right side
    61,668.53x = 2,840,233,287.14
  5. Step 5: Solve for x
    x = 2,840,233,287.14/61,668.53
  6. Step 6: Final answer
    x = 46,056.45

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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.