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Finding the Fourth Proportional to 7,060.14, 9,742.29 and 4,076.93

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Solution

The fourth proportional to 7,060.14, 9,742.29 and 4,076.93 is: 5,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.14 : 9,742.29 = 4,076.93 : x
  2. Step 2: Convert to fraction form
    7,060.14/9,742.29 = 4,076.93/x
  3. Step 3: Cross multiply
    7,060.14x = 9,742.29 × 4,076.93
  4. Step 4: Simplify right side
    7,060.14x = 39,718,649.17
  5. Step 5: Solve for x
    x = 39,718,649.17/7,060.14
  6. Step 6: Final answer
    x = 5,625.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.