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Finding the Fourth Proportional to 61,552.94, 85,086.54 and 54,904.46

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Solution

The fourth proportional to 61,552.94, 85,086.54 and 54,904.46 is: 75,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,552.94 : 85,086.54 = 54,904.46 : x
  2. Step 2: Convert to fraction form
    61,552.94/85,086.54 = 54,904.46/x
  3. Step 3: Cross multiply
    61,552.94x = 85,086.54 × 54,904.46
  4. Step 4: Simplify right side
    61,552.94x = 4,671,630,106.54
  5. Step 5: Solve for x
    x = 4,671,630,106.54/61,552.94
  6. Step 6: Final answer
    x = 75,896.14

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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.