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Finding the Fourth Proportional to 7,277.01, 10,042.41 and 5,685.51

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Solution

The fourth proportional to 7,277.01, 10,042.41 and 5,685.51 is: 7,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.01 : 10,042.41 = 5,685.51 : x
  2. Step 2: Convert to fraction form
    7,277.01/10,042.41 = 5,685.51/x
  3. Step 3: Cross multiply
    7,277.01x = 10,042.41 × 5,685.51
  4. Step 4: Simplify right side
    7,277.01x = 57,096,222.48
  5. Step 5: Solve for x
    x = 57,096,222.48/7,277.01
  6. Step 6: Final answer
    x = 7,846.11

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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.