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Finding the Fourth Proportional to 42,913.44, 64,370.16 and 35,007.44

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Solution

The fourth proportional to 42,913.44, 64,370.16 and 35,007.44 is: 52,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,913.44 : 64,370.16 = 35,007.44 : x
  2. Step 2: Convert to fraction form
    42,913.44/64,370.16 = 35,007.44/x
  3. Step 3: Cross multiply
    42,913.44x = 64,370.16 × 35,007.44
  4. Step 4: Simplify right side
    42,913.44x = 2,253,434,192.14
  5. Step 5: Solve for x
    x = 2,253,434,192.14/42,913.44
  6. Step 6: Final answer
    x = 52,511.15

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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.