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Finding the Fourth Proportional to 70,031.25, 96,643.13 and 44,880.75

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Solution

The fourth proportional to 70,031.25, 96,643.13 and 44,880.75 is: 61,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,031.25 : 96,643.13 = 44,880.75 : x
  2. Step 2: Convert to fraction form
    70,031.25/96,643.13 = 44,880.75/x
  3. Step 3: Cross multiply
    70,031.25x = 96,643.13 × 44,880.75
  4. Step 4: Simplify right side
    70,031.25x = 4,337,415,932.34
  5. Step 5: Solve for x
    x = 4,337,415,932.34/70,031.25
  6. Step 6: Final answer
    x = 61,935.44

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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.