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Finding the Fourth Proportional to 61,668.18, 85,102.09 and 33,373.87

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Solution

The fourth proportional to 61,668.18, 85,102.09 and 33,373.87 is: 46,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668.18 : 85,102.09 = 33,373.87 : x
  2. Step 2: Convert to fraction form
    61,668.18/85,102.09 = 33,373.87/x
  3. Step 3: Cross multiply
    61,668.18x = 85,102.09 × 33,373.87
  4. Step 4: Simplify right side
    61,668.18x = 2,840,186,088.39
  5. Step 5: Solve for x
    x = 2,840,186,088.39/61,668.18
  6. Step 6: Final answer
    x = 46,055.94

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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.