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Finding the Fourth Proportional to 5,011.76, 7,516.62 and 1,724.99

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Solution

The fourth proportional to 5,011.76, 7,516.62 and 1,724.99 is: 2,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.76 : 7,516.62 = 1,724.99 : x
  2. Step 2: Convert to fraction form
    5,011.76/7,516.62 = 1,724.99/x
  3. Step 3: Cross multiply
    5,011.76x = 7,516.62 × 1,724.99
  4. Step 4: Simplify right side
    5,011.76x = 12,966,056.75
  5. Step 5: Solve for x
    x = 12,966,056.75/5,011.76
  6. Step 6: Final answer
    x = 2,587.13

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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.