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Finding the Fourth Proportional to 61,840.84, 85,384.74 and 37,999.48

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Solution

The fourth proportional to 61,840.84, 85,384.74 and 37,999.48 is: 52,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,840.84 : 85,384.74 = 37,999.48 : x
  2. Step 2: Convert to fraction form
    61,840.84/85,384.74 = 37,999.48/x
  3. Step 3: Cross multiply
    61,840.84x = 85,384.74 × 37,999.48
  4. Step 4: Simplify right side
    61,840.84x = 3,244,575,719.94
  5. Step 5: Solve for x
    x = 3,244,575,719.94/61,840.84
  6. Step 6: Final answer
    x = 52,466.55

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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.