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Finding the Fourth Proportional to 11,681.52, 17,525.52 and 6,742.14

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Solution

The fourth proportional to 11,681.52, 17,525.52 and 6,742.14 is: 10,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.52 : 17,525.52 = 6,742.14 : x
  2. Step 2: Convert to fraction form
    11,681.52/17,525.52 = 6,742.14/x
  3. Step 3: Cross multiply
    11,681.52x = 17,525.52 × 6,742.14
  4. Step 4: Simplify right side
    11,681.52x = 118,159,509.41
  5. Step 5: Solve for x
    x = 118,159,509.41/11,681.52
  6. Step 6: Final answer
    x = 10,115.08

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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.