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Finding the Fourth Proportional to 6,607,893.94, 9,898,960.83 and 3,720,434.74

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Solution

The fourth proportional to 6,607,893.94, 9,898,960.83 and 3,720,434.74 is: 5,573,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607,893.94 : 9,898,960.83 = 3,720,434.74 : x
  2. Step 2: Convert to fraction form
    6,607,893.94/9,898,960.83 = 3,720,434.74/x
  3. Step 3: Cross multiply
    6,607,893.94x = 9,898,960.83 × 3,720,434.74
  4. Step 4: Simplify right side
    6,607,893.94x = 36,828,437,761,831.23
  5. Step 5: Solve for x
    x = 36,828,437,761,831.23/6,607,893.94
  6. Step 6: Final answer
    x = 5,573,400.25

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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.