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Finding the Fourth Proportional to 7,158.37, 9,875.64 and 4,468

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Solution

The fourth proportional to 7,158.37, 9,875.64 and 4,468 is: 6,164.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.37 : 9,875.64 = 4,468 : x
  2. Step 2: Convert to fraction form
    7,158.37/9,875.64 = 4,468/x
  3. Step 3: Cross multiply
    7,158.37x = 9,875.64 × 4,468
  4. Step 4: Simplify right side
    7,158.37x = 44,124,359.52
  5. Step 5: Solve for x
    x = 44,124,359.52/7,158.37
  6. Step 6: Final answer
    x = 6,164.02

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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.