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Finding the Fourth Proportional to 22,482.70, 33,701.40 and 7,681.54

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Solution

The fourth proportional to 22,482.70, 33,701.40 and 7,681.54 is: 11,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,482.70 : 33,701.40 = 7,681.54 : x
  2. Step 2: Convert to fraction form
    22,482.70/33,701.40 = 7,681.54/x
  3. Step 3: Cross multiply
    22,482.70x = 33,701.40 × 7,681.54
  4. Step 4: Simplify right side
    22,482.70x = 258,878,652.16
  5. Step 5: Solve for x
    x = 258,878,652.16/22,482.70
  6. Step 6: Final answer
    x = 11,514.57

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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.