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Finding the Fourth Proportional to 7,706.55, 10,635.09 and 4,349.51

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Solution

The fourth proportional to 7,706.55, 10,635.09 and 4,349.51 is: 6,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.55 : 10,635.09 = 4,349.51 : x
  2. Step 2: Convert to fraction form
    7,706.55/10,635.09 = 4,349.51/x
  3. Step 3: Cross multiply
    7,706.55x = 10,635.09 × 4,349.51
  4. Step 4: Simplify right side
    7,706.55x = 46,257,425.17
  5. Step 5: Solve for x
    x = 46,257,425.17/7,706.55
  6. Step 6: Final answer
    x = 6,002.35

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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.