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Finding the Fourth Proportional to 70,008.52, 96,619.16 and 42,800.54

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Solution

The fourth proportional to 70,008.52, 96,619.16 and 42,800.54 is: 59,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,008.52 : 96,619.16 = 42,800.54 : x
  2. Step 2: Convert to fraction form
    70,008.52/96,619.16 = 42,800.54/x
  3. Step 3: Cross multiply
    70,008.52x = 96,619.16 × 42,800.54
  4. Step 4: Simplify right side
    70,008.52x = 4,135,352,222.35
  5. Step 5: Solve for x
    x = 4,135,352,222.35/70,008.52
  6. Step 6: Final answer
    x = 59,069.27

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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.