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Finding the Fourth Proportional to 32,698.32, 45,122.58 and 18,358.08

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Solution

The fourth proportional to 32,698.32, 45,122.58 and 18,358.08 is: 25,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,698.32 : 45,122.58 = 18,358.08 : x
  2. Step 2: Convert to fraction form
    32,698.32/45,122.58 = 18,358.08/x
  3. Step 3: Cross multiply
    32,698.32x = 45,122.58 × 18,358.08
  4. Step 4: Simplify right side
    32,698.32x = 828,363,933.45
  5. Step 5: Solve for x
    x = 828,363,933.45/32,698.32
  6. Step 6: Final answer
    x = 25,333.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.