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Finding the Fourth Proportional to 61,426.76, 84,800.93 and 41,388.98

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Solution

The fourth proportional to 61,426.76, 84,800.93 and 41,388.98 is: 57,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,426.76 : 84,800.93 = 41,388.98 : x
  2. Step 2: Convert to fraction form
    61,426.76/84,800.93 = 41,388.98/x
  3. Step 3: Cross multiply
    61,426.76x = 84,800.93 × 41,388.98
  4. Step 4: Simplify right side
    61,426.76x = 3,509,823,364.80
  5. Step 5: Solve for x
    x = 3,509,823,364.80/61,426.76
  6. Step 6: Final answer
    x = 57,138.35

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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.