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Finding the Fourth Proportional to 59,054.52, 81,445.09 and 49,900.92

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Solution

The fourth proportional to 59,054.52, 81,445.09 and 49,900.92 is: 68,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,054.52 : 81,445.09 = 49,900.92 : x
  2. Step 2: Convert to fraction form
    59,054.52/81,445.09 = 49,900.92/x
  3. Step 3: Cross multiply
    59,054.52x = 81,445.09 × 49,900.92
  4. Step 4: Simplify right side
    59,054.52x = 4,064,184,920.48
  5. Step 5: Solve for x
    x = 4,064,184,920.48/59,054.52
  6. Step 6: Final answer
    x = 68,820.90

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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.