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Finding the Fourth Proportional to 4,862.16, 7,294.16 and 1,940.49

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Solution

The fourth proportional to 4,862.16, 7,294.16 and 1,940.49 is: 2,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.16 : 7,294.16 = 1,940.49 : x
  2. Step 2: Convert to fraction form
    4,862.16/7,294.16 = 1,940.49/x
  3. Step 3: Cross multiply
    4,862.16x = 7,294.16 × 1,940.49
  4. Step 4: Simplify right side
    4,862.16x = 14,154,248.51
  5. Step 5: Solve for x
    x = 14,154,248.51/4,862.16
  6. Step 6: Final answer
    x = 2,911.10

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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.