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Finding the Fourth Proportional to 9,282.30, 13,917.30 and 5,124.30

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Solution

The fourth proportional to 9,282.30, 13,917.30 and 5,124.30 is: 7,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282.30 : 13,917.30 = 5,124.30 : x
  2. Step 2: Convert to fraction form
    9,282.30/13,917.30 = 5,124.30/x
  3. Step 3: Cross multiply
    9,282.30x = 13,917.30 × 5,124.30
  4. Step 4: Simplify right side
    9,282.30x = 71,316,420.39
  5. Step 5: Solve for x
    x = 71,316,420.39/9,282.30
  6. Step 6: Final answer
    x = 7,683.05

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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.