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Finding the Fourth Proportional to 32,646.83, 45,062.88 and 18,509.09

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Solution

The fourth proportional to 32,646.83, 45,062.88 and 18,509.09 is: 25,548.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,646.83 : 45,062.88 = 18,509.09 : x
  2. Step 2: Convert to fraction form
    32,646.83/45,062.88 = 18,509.09/x
  3. Step 3: Cross multiply
    32,646.83x = 45,062.88 × 18,509.09
  4. Step 4: Simplify right side
    32,646.83x = 834,072,901.58
  5. Step 5: Solve for x
    x = 834,072,901.58/32,646.83
  6. Step 6: Final answer
    x = 25,548.36

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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.