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Finding the Fourth Proportional to 4,913.32, 7,359.94 and 4,088.94

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Solution

The fourth proportional to 4,913.32, 7,359.94 and 4,088.94 is: 6,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.32 : 7,359.94 = 4,088.94 : x
  2. Step 2: Convert to fraction form
    4,913.32/7,359.94 = 4,088.94/x
  3. Step 3: Cross multiply
    4,913.32x = 7,359.94 × 4,088.94
  4. Step 4: Simplify right side
    4,913.32x = 30,094,353.06
  5. Step 5: Solve for x
    x = 30,094,353.06/4,913.32
  6. Step 6: Final answer
    x = 6,125.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.