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Finding the Fourth Proportional to 7,808.02, 11,719.95 and 6,924.22

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Solution

The fourth proportional to 7,808.02, 11,719.95 and 6,924.22 is: 10,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.02 : 11,719.95 = 6,924.22 : x
  2. Step 2: Convert to fraction form
    7,808.02/11,719.95 = 6,924.22/x
  3. Step 3: Cross multiply
    7,808.02x = 11,719.95 × 6,924.22
  4. Step 4: Simplify right side
    7,808.02x = 81,151,512.19
  5. Step 5: Solve for x
    x = 81,151,512.19/7,808.02
  6. Step 6: Final answer
    x = 10,393.35

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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.