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Finding the Fourth Proportional to 7,516.69, 10,368.51 and 4,964.47

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Solution

The fourth proportional to 7,516.69, 10,368.51 and 4,964.47 is: 6,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.69 : 10,368.51 = 4,964.47 : x
  2. Step 2: Convert to fraction form
    7,516.69/10,368.51 = 4,964.47/x
  3. Step 3: Cross multiply
    7,516.69x = 10,368.51 × 4,964.47
  4. Step 4: Simplify right side
    7,516.69x = 51,474,156.84
  5. Step 5: Solve for x
    x = 51,474,156.84/7,516.69
  6. Step 6: Final answer
    x = 6,847.98

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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.