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Finding the Fourth Proportional to 60,877.44, 84,009.60 and 34,019.20

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Solution

The fourth proportional to 60,877.44, 84,009.60 and 34,019.20 is: 46,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,877.44 : 84,009.60 = 34,019.20 : x
  2. Step 2: Convert to fraction form
    60,877.44/84,009.60 = 34,019.20/x
  3. Step 3: Cross multiply
    60,877.44x = 84,009.60 × 34,019.20
  4. Step 4: Simplify right side
    60,877.44x = 2,857,939,384.32
  5. Step 5: Solve for x
    x = 2,857,939,384.32/60,877.44
  6. Step 6: Final answer
    x = 46,945.79

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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.