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Finding the Fourth Proportional to 59,275.62, 81,830.09 and 45,816.48

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Solution

The fourth proportional to 59,275.62, 81,830.09 and 45,816.48 is: 63,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,275.62 : 81,830.09 = 45,816.48 : x
  2. Step 2: Convert to fraction form
    59,275.62/81,830.09 = 45,816.48/x
  3. Step 3: Cross multiply
    59,275.62x = 81,830.09 × 45,816.48
  4. Step 4: Simplify right side
    59,275.62x = 3,749,166,681.88
  5. Step 5: Solve for x
    x = 3,749,166,681.88/59,275.62
  6. Step 6: Final answer
    x = 63,249.73

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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.