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Finding the Fourth Proportional to 3,377.55, 4,661.10 and 1,885.53

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Solution

The fourth proportional to 3,377.55, 4,661.10 and 1,885.53 is: 2,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.55 : 4,661.10 = 1,885.53 : x
  2. Step 2: Convert to fraction form
    3,377.55/4,661.10 = 1,885.53/x
  3. Step 3: Cross multiply
    3,377.55x = 4,661.10 × 1,885.53
  4. Step 4: Simplify right side
    3,377.55x = 8,788,643.88
  5. Step 5: Solve for x
    x = 8,788,643.88/3,377.55
  6. Step 6: Final answer
    x = 2,602.08

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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.