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Finding the Fourth Proportional to 4,655.95, 6,985.15 and 2,706.48

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Solution

The fourth proportional to 4,655.95, 6,985.15 and 2,706.48 is: 4,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.95 : 6,985.15 = 2,706.48 : x
  2. Step 2: Convert to fraction form
    4,655.95/6,985.15 = 2,706.48/x
  3. Step 3: Cross multiply
    4,655.95x = 6,985.15 × 2,706.48
  4. Step 4: Simplify right side
    4,655.95x = 18,905,162.01
  5. Step 5: Solve for x
    x = 18,905,162.01/4,655.95
  6. Step 6: Final answer
    x = 4,060.43

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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.