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Finding the Fourth Proportional to 32,645.32, 45,048 and 18,500.38

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Solution

The fourth proportional to 32,645.32, 45,048 and 18,500.38 is: 25,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,645.32 : 45,048 = 18,500.38 : x
  2. Step 2: Convert to fraction form
    32,645.32/45,048 = 18,500.38/x
  3. Step 3: Cross multiply
    32,645.32x = 45,048 × 18,500.38
  4. Step 4: Simplify right side
    32,645.32x = 833,405,118.24
  5. Step 5: Solve for x
    x = 833,405,118.24/32,645.32
  6. Step 6: Final answer
    x = 25,529.08

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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.