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Finding the Fourth Proportional to 9,360.70, 13,114.70 and 9,360.70

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Solution

The fourth proportional to 9,360.70, 13,114.70 and 9,360.70 is: 13,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.70 : 13,114.70 = 9,360.70 : x
  2. Step 2: Convert to fraction form
    9,360.70/13,114.70 = 9,360.70/x
  3. Step 3: Cross multiply
    9,360.70x = 13,114.70 × 9,360.70
  4. Step 4: Simplify right side
    9,360.70x = 122,762,772.29
  5. Step 5: Solve for x
    x = 122,762,772.29/9,360.70
  6. Step 6: Final answer
    x = 13,114.70

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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.