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Finding the Fourth Proportional to 15,954.59, 23,895.44 and 7,640.45

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Solution

The fourth proportional to 15,954.59, 23,895.44 and 7,640.45 is: 11,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.59 : 23,895.44 = 7,640.45 : x
  2. Step 2: Convert to fraction form
    15,954.59/23,895.44 = 7,640.45/x
  3. Step 3: Cross multiply
    15,954.59x = 23,895.44 × 7,640.45
  4. Step 4: Simplify right side
    15,954.59x = 182,571,875.13
  5. Step 5: Solve for x
    x = 182,571,875.13/15,954.59
  6. Step 6: Final answer
    x = 11,443.22

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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.