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Finding the Fourth Proportional to 61,971.32, 85,522.05 and 33,677.01

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Solution

The fourth proportional to 61,971.32, 85,522.05 and 33,677.01 is: 46,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,971.32 : 85,522.05 = 33,677.01 : x
  2. Step 2: Convert to fraction form
    61,971.32/85,522.05 = 33,677.01/x
  3. Step 3: Cross multiply
    61,971.32x = 85,522.05 × 33,677.01
  4. Step 4: Simplify right side
    61,971.32x = 2,880,126,933.07
  5. Step 5: Solve for x
    x = 2,880,126,933.07/61,971.32
  6. Step 6: Final answer
    x = 46,475.16

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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.