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Finding the Fourth Proportional to 7,614.99, 10,509.10 and 4,591.08

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Solution

The fourth proportional to 7,614.99, 10,509.10 and 4,591.08 is: 6,335.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.99 : 10,509.10 = 4,591.08 : x
  2. Step 2: Convert to fraction form
    7,614.99/10,509.10 = 4,591.08/x
  3. Step 3: Cross multiply
    7,614.99x = 10,509.10 × 4,591.08
  4. Step 4: Simplify right side
    7,614.99x = 48,248,096.05
  5. Step 5: Solve for x
    x = 48,248,096.05/7,614.99
  6. Step 6: Final answer
    x = 6,335.93

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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.