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Finding the Fourth Proportional to 72,595.32, 108,832.50 and 63,212.28

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Solution

The fourth proportional to 72,595.32, 108,832.50 and 63,212.28 is: 94,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,595.32 : 108,832.50 = 63,212.28 : x
  2. Step 2: Convert to fraction form
    72,595.32/108,832.50 = 63,212.28/x
  3. Step 3: Cross multiply
    72,595.32x = 108,832.50 × 63,212.28
  4. Step 4: Simplify right side
    72,595.32x = 6,879,550,463.10
  5. Step 5: Solve for x
    x = 6,879,550,463.10/72,595.32
  6. Step 6: Final answer
    x = 94,765.76

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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.