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Finding the Fourth Proportional to 6,528.38, 9,810.63 and 6,370.12

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Solution

The fourth proportional to 6,528.38, 9,810.63 and 6,370.12 is: 9,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.38 : 9,810.63 = 6,370.12 : x
  2. Step 2: Convert to fraction form
    6,528.38/9,810.63 = 6,370.12/x
  3. Step 3: Cross multiply
    6,528.38x = 9,810.63 × 6,370.12
  4. Step 4: Simplify right side
    6,528.38x = 62,494,890.38
  5. Step 5: Solve for x
    x = 62,494,890.38/6,528.38
  6. Step 6: Final answer
    x = 9,572.81

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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.