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Finding the Fourth Proportional to 7,368.60, 11,052.90 and 6,965.40

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Solution

The fourth proportional to 7,368.60, 11,052.90 and 6,965.40 is: 10,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.60 : 11,052.90 = 6,965.40 : x
  2. Step 2: Convert to fraction form
    7,368.60/11,052.90 = 6,965.40/x
  3. Step 3: Cross multiply
    7,368.60x = 11,052.90 × 6,965.40
  4. Step 4: Simplify right side
    7,368.60x = 76,987,869.66
  5. Step 5: Solve for x
    x = 76,987,869.66/7,368.60
  6. Step 6: Final answer
    x = 10,448.10

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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.