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Finding the Fourth Proportional to 7,685.53, 10,606.06 and 4,498.25

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Solution

The fourth proportional to 7,685.53, 10,606.06 and 4,498.25 is: 6,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.53 : 10,606.06 = 4,498.25 : x
  2. Step 2: Convert to fraction form
    7,685.53/10,606.06 = 4,498.25/x
  3. Step 3: Cross multiply
    7,685.53x = 10,606.06 × 4,498.25
  4. Step 4: Simplify right side
    7,685.53x = 47,708,696.34
  5. Step 5: Solve for x
    x = 47,708,696.34/7,685.53
  6. Step 6: Final answer
    x = 6,207.60

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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.