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Finding the Fourth Proportional to 61,466.84, 84,645.78 and 53,396.84

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Solution

The fourth proportional to 61,466.84, 84,645.78 and 53,396.84 is: 73,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,466.84 : 84,645.78 = 53,396.84 : x
  2. Step 2: Convert to fraction form
    61,466.84/84,645.78 = 53,396.84/x
  3. Step 3: Cross multiply
    61,466.84x = 84,645.78 × 53,396.84
  4. Step 4: Simplify right side
    61,466.84x = 4,519,817,171.34
  5. Step 5: Solve for x
    x = 4,519,817,171.34/61,466.84
  6. Step 6: Final answer
    x = 73,532.61

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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.