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Finding the Fourth Proportional to 32,888.53, 45,390.62 and 18,551.30

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Solution

The fourth proportional to 32,888.53, 45,390.62 and 18,551.30 is: 25,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,888.53 : 45,390.62 = 18,551.30 : x
  2. Step 2: Convert to fraction form
    32,888.53/45,390.62 = 18,551.30/x
  3. Step 3: Cross multiply
    32,888.53x = 45,390.62 × 18,551.30
  4. Step 4: Simplify right side
    32,888.53x = 842,055,080.78
  5. Step 5: Solve for x
    x = 842,055,080.78/32,888.53
  6. Step 6: Final answer
    x = 25,603.30

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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.