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Finding the Fourth Proportional to 7,173.99, 9,896.45 and 4,657.52

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Solution

The fourth proportional to 7,173.99, 9,896.45 and 4,657.52 is: 6,425.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.99 : 9,896.45 = 4,657.52 : x
  2. Step 2: Convert to fraction form
    7,173.99/9,896.45 = 4,657.52/x
  3. Step 3: Cross multiply
    7,173.99x = 9,896.45 × 4,657.52
  4. Step 4: Simplify right side
    7,173.99x = 46,092,915.26
  5. Step 5: Solve for x
    x = 46,092,915.26/7,173.99
  6. Step 6: Final answer
    x = 6,425.00

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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.