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Finding the Fourth Proportional to 32,783.04, 45,239.04 and 18,634.32

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Solution

The fourth proportional to 32,783.04, 45,239.04 and 18,634.32 is: 25,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,783.04 : 45,239.04 = 18,634.32 : x
  2. Step 2: Convert to fraction form
    32,783.04/45,239.04 = 18,634.32/x
  3. Step 3: Cross multiply
    32,783.04x = 45,239.04 × 18,634.32
  4. Step 4: Simplify right side
    32,783.04x = 842,998,747.85
  5. Step 5: Solve for x
    x = 842,998,747.85/32,783.04
  6. Step 6: Final answer
    x = 25,714.48

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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.