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Finding the Fourth Proportional to 7,724,762.40, 11,592,392.40 and 4,313,042.40

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Solution

The fourth proportional to 7,724,762.40, 11,592,392.40 and 4,313,042.40 is: 6,472,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724,762.40 : 11,592,392.40 = 4,313,042.40 : x
  2. Step 2: Convert to fraction form
    7,724,762.40/11,592,392.40 = 4,313,042.40/x
  3. Step 3: Cross multiply
    7,724,762.40x = 11,592,392.40 × 4,313,042.40
  4. Step 4: Simplify right side
    7,724,762.40x = 49,998,479,938,637.77
  5. Step 5: Solve for x
    x = 49,998,479,938,637.77/7,724,762.40
  6. Step 6: Final answer
    x = 6,472,494.21

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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.