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Finding the Fourth Proportional to 74,878.76, 112,355.26 and 41,598.76

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Solution

The fourth proportional to 74,878.76, 112,355.26 and 41,598.76 is: 62,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,878.76 : 112,355.26 = 41,598.76 : x
  2. Step 2: Convert to fraction form
    74,878.76/112,355.26 = 41,598.76/x
  3. Step 3: Cross multiply
    74,878.76x = 112,355.26 × 41,598.76
  4. Step 4: Simplify right side
    74,878.76x = 4,673,839,495.48
  5. Step 5: Solve for x
    x = 4,673,839,495.48/74,878.76
  6. Step 6: Final answer
    x = 62,418.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.