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Finding the Fourth Proportional to 19,059.17, 28,583.58 and 7,963.54

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Solution

The fourth proportional to 19,059.17, 28,583.58 and 7,963.54 is: 11,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.17 : 28,583.58 = 7,963.54 : x
  2. Step 2: Convert to fraction form
    19,059.17/28,583.58 = 7,963.54/x
  3. Step 3: Cross multiply
    19,059.17x = 28,583.58 × 7,963.54
  4. Step 4: Simplify right side
    19,059.17x = 227,626,482.67
  5. Step 5: Solve for x
    x = 227,626,482.67/19,059.17
  6. Step 6: Final answer
    x = 11,943.15

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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.