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Finding the Fourth Proportional to 4,707.78, 7,060.66 and 1,934.34

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Solution

The fourth proportional to 4,707.78, 7,060.66 and 1,934.34 is: 2,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.78 : 7,060.66 = 1,934.34 : x
  2. Step 2: Convert to fraction form
    4,707.78/7,060.66 = 1,934.34/x
  3. Step 3: Cross multiply
    4,707.78x = 7,060.66 × 1,934.34
  4. Step 4: Simplify right side
    4,707.78x = 13,657,717.06
  5. Step 5: Solve for x
    x = 13,657,717.06/4,707.78
  6. Step 6: Final answer
    x = 2,901.10

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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.