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Finding the Fourth Proportional to 61,403.54, 84,889.08 and 60,843.02

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Solution

The fourth proportional to 61,403.54, 84,889.08 and 60,843.02 is: 84,114.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,403.54 : 84,889.08 = 60,843.02 : x
  2. Step 2: Convert to fraction form
    61,403.54/84,889.08 = 60,843.02/x
  3. Step 3: Cross multiply
    61,403.54x = 84,889.08 × 60,843.02
  4. Step 4: Simplify right side
    61,403.54x = 5,164,907,567.78
  5. Step 5: Solve for x
    x = 5,164,907,567.78/61,403.54
  6. Step 6: Final answer
    x = 84,114.17

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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.