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Finding the Fourth Proportional to 4,885.71, 7,329.47 and 1,598.98

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Solution

The fourth proportional to 4,885.71, 7,329.47 and 1,598.98 is: 2,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.71 : 7,329.47 = 1,598.98 : x
  2. Step 2: Convert to fraction form
    4,885.71/7,329.47 = 1,598.98/x
  3. Step 3: Cross multiply
    4,885.71x = 7,329.47 × 1,598.98
  4. Step 4: Simplify right side
    4,885.71x = 11,719,675.94
  5. Step 5: Solve for x
    x = 11,719,675.94/4,885.71
  6. Step 6: Final answer
    x = 2,398.77

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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.