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Finding the Fourth Proportional to 9,812.40, 14,725.80 and 6,524.40

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Solution

The fourth proportional to 9,812.40, 14,725.80 and 6,524.40 is: 9,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.40 : 14,725.80 = 6,524.40 : x
  2. Step 2: Convert to fraction form
    9,812.40/14,725.80 = 6,524.40/x
  3. Step 3: Cross multiply
    9,812.40x = 14,725.80 × 6,524.40
  4. Step 4: Simplify right side
    9,812.40x = 96,077,009.52
  5. Step 5: Solve for x
    x = 96,077,009.52/9,812.40
  6. Step 6: Final answer
    x = 9,791.39

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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.