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Finding the Fourth Proportional to 4,407.61, 6,611.10 and 2,068.15

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Solution

The fourth proportional to 4,407.61, 6,611.10 and 2,068.15 is: 3,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.61 : 6,611.10 = 2,068.15 : x
  2. Step 2: Convert to fraction form
    4,407.61/6,611.10 = 2,068.15/x
  3. Step 3: Cross multiply
    4,407.61x = 6,611.10 × 2,068.15
  4. Step 4: Simplify right side
    4,407.61x = 13,672,703.07
  5. Step 5: Solve for x
    x = 13,672,703.07/4,407.61
  6. Step 6: Final answer
    x = 3,102.07

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1.5x scale

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.