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Finding the Fourth Proportional to 7,752, 11,670.20 and 7,063.10

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Solution

The fourth proportional to 7,752, 11,670.20 and 7,063.10 is: 10,633.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752 : 11,670.20 = 7,063.10 : x
  2. Step 2: Convert to fraction form
    7,752/11,670.20 = 7,063.10/x
  3. Step 3: Cross multiply
    7,752x = 11,670.20 × 7,063.10
  4. Step 4: Simplify right side
    7,752x = 82,427,695.95
  5. Step 5: Solve for x
    x = 82,427,695.95/7,752
  6. Step 6: Final answer
    x = 10,633.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.