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Finding the Fourth Proportional to 15,962.55, 23,952.06 and 7,640.88

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Solution

The fourth proportional to 15,962.55, 23,952.06 and 7,640.88 is: 11,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,962.55 : 23,952.06 = 7,640.88 : x
  2. Step 2: Convert to fraction form
    15,962.55/23,952.06 = 7,640.88/x
  3. Step 3: Cross multiply
    15,962.55x = 23,952.06 × 7,640.88
  4. Step 4: Simplify right side
    15,962.55x = 183,014,816.21
  5. Step 5: Solve for x
    x = 183,014,816.21/15,962.55
  6. Step 6: Final answer
    x = 11,465.26

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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.