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Finding the Fourth Proportional to 4,897.93, 7,328.49 and 2,916.25

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Solution

The fourth proportional to 4,897.93, 7,328.49 and 2,916.25 is: 4,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897.93 : 7,328.49 = 2,916.25 : x
  2. Step 2: Convert to fraction form
    4,897.93/7,328.49 = 2,916.25/x
  3. Step 3: Cross multiply
    4,897.93x = 7,328.49 × 2,916.25
  4. Step 4: Simplify right side
    4,897.93x = 21,371,708.96
  5. Step 5: Solve for x
    x = 21,371,708.96/4,897.93
  6. Step 6: Final answer
    x = 4,363.42

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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.