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Finding the Fourth Proportional to 3,899,728.71, 5,848,411.95 and 1,059,471.81

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Solution

The fourth proportional to 3,899,728.71, 5,848,411.95 and 1,059,471.81 is: 1,588,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,728.71 : 5,848,411.95 = 1,059,471.81 : x
  2. Step 2: Convert to fraction form
    3,899,728.71/5,848,411.95 = 1,059,471.81/x
  3. Step 3: Cross multiply
    3,899,728.71x = 5,848,411.95 × 1,059,471.81
  4. Step 4: Simplify right side
    3,899,728.71x = 6,196,227,594,292.13
  5. Step 5: Solve for x
    x = 6,196,227,594,292.13/3,899,728.71
  6. Step 6: Final answer
    x = 1,588,886.83

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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.