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Finding the Fourth Proportional to 7,526.16, 10,386 and 4,168.87

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Solution

The fourth proportional to 7,526.16, 10,386 and 4,168.87 is: 5,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.16 : 10,386 = 4,168.87 : x
  2. Step 2: Convert to fraction form
    7,526.16/10,386 = 4,168.87/x
  3. Step 3: Cross multiply
    7,526.16x = 10,386 × 4,168.87
  4. Step 4: Simplify right side
    7,526.16x = 43,297,857.86
  5. Step 5: Solve for x
    x = 43,297,857.86/7,526.16
  6. Step 6: Final answer
    x = 5,752.98

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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.