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Finding the Fourth Proportional to 7,519.62, 10,373.64 and 4,867.89

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Solution

The fourth proportional to 7,519.62, 10,373.64 and 4,867.89 is: 6,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.62 : 10,373.64 = 4,867.89 : x
  2. Step 2: Convert to fraction form
    7,519.62/10,373.64 = 4,867.89/x
  3. Step 3: Cross multiply
    7,519.62x = 10,373.64 × 4,867.89
  4. Step 4: Simplify right side
    7,519.62x = 50,497,681.26
  5. Step 5: Solve for x
    x = 50,497,681.26/7,519.62
  6. Step 6: Final answer
    x = 6,715.45

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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.