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Finding the Fourth Proportional to 53,597.52, 80,450.32 and 47,398.32

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Solution

The fourth proportional to 53,597.52, 80,450.32 and 47,398.32 is: 71,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,597.52 : 80,450.32 = 47,398.32 : x
  2. Step 2: Convert to fraction form
    53,597.52/80,450.32 = 47,398.32/x
  3. Step 3: Cross multiply
    53,597.52x = 80,450.32 × 47,398.32
  4. Step 4: Simplify right side
    53,597.52x = 3,813,210,011.46
  5. Step 5: Solve for x
    x = 3,813,210,011.46/53,597.52
  6. Step 6: Final answer
    x = 71,145.27

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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.