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Finding the Fourth Proportional to 4,890.95, 7,323.90 and 2,697.24

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Solution

The fourth proportional to 4,890.95, 7,323.90 and 2,697.24 is: 4,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.95 : 7,323.90 = 2,697.24 : x
  2. Step 2: Convert to fraction form
    4,890.95/7,323.90 = 2,697.24/x
  3. Step 3: Cross multiply
    4,890.95x = 7,323.90 × 2,697.24
  4. Step 4: Simplify right side
    4,890.95x = 19,754,316.04
  5. Step 5: Solve for x
    x = 19,754,316.04/4,890.95
  6. Step 6: Final answer
    x = 4,038.95

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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.