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Finding the Fourth Proportional to 32,698.82, 49,069.76 and 17,918.12

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Solution

The fourth proportional to 32,698.82, 49,069.76 and 17,918.12 is: 26,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,698.82 : 49,069.76 = 17,918.12 : x
  2. Step 2: Convert to fraction form
    32,698.82/49,069.76 = 17,918.12/x
  3. Step 3: Cross multiply
    32,698.82x = 49,069.76 × 17,918.12
  4. Step 4: Simplify right side
    32,698.82x = 879,237,848.05
  5. Step 5: Solve for x
    x = 879,237,848.05/32,698.82
  6. Step 6: Final answer
    x = 26,888.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.