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Finding the Fourth Proportional to 75,018.52, 103,528.32 and 41,029.32

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Solution

The fourth proportional to 75,018.52, 103,528.32 and 41,029.32 is: 56,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,018.52 : 103,528.32 = 41,029.32 : x
  2. Step 2: Convert to fraction form
    75,018.52/103,528.32 = 41,029.32/x
  3. Step 3: Cross multiply
    75,018.52x = 103,528.32 × 41,029.32
  4. Step 4: Simplify right side
    75,018.52x = 4,247,696,570.34
  5. Step 5: Solve for x
    x = 4,247,696,570.34/75,018.52
  6. Step 6: Final answer
    x = 56,621.97

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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.