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Finding the Fourth Proportional to 7,704.99, 10,627.88 and 4,719.74

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Solution

The fourth proportional to 7,704.99, 10,627.88 and 4,719.74 is: 6,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.99 : 10,627.88 = 4,719.74 : x
  2. Step 2: Convert to fraction form
    7,704.99/10,627.88 = 4,719.74/x
  3. Step 3: Cross multiply
    7,704.99x = 10,627.88 × 4,719.74
  4. Step 4: Simplify right side
    7,704.99x = 50,160,753.61
  5. Step 5: Solve for x
    x = 50,160,753.61/7,704.99
  6. Step 6: Final answer
    x = 6,510.16

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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.