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Finding the Fourth Proportional to 9,626.30, 13,515.70 and 9,626.30

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Solution

The fourth proportional to 9,626.30, 13,515.70 and 9,626.30 is: 13,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,626.30 : 13,515.70 = 9,626.30 : x
  2. Step 2: Convert to fraction form
    9,626.30/13,515.70 = 9,626.30/x
  3. Step 3: Cross multiply
    9,626.30x = 13,515.70 × 9,626.30
  4. Step 4: Simplify right side
    9,626.30x = 130,106,182.91
  5. Step 5: Solve for x
    x = 130,106,182.91/9,626.30
  6. Step 6: Final answer
    x = 13,515.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.