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Finding the Fourth Proportional to 7,133,300.87, 9,844,010.87 and 4,192,328.16

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Solution

The fourth proportional to 7,133,300.87, 9,844,010.87 and 4,192,328.16 is: 5,785,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133,300.87 : 9,844,010.87 = 4,192,328.16 : x
  2. Step 2: Convert to fraction form
    7,133,300.87/9,844,010.87 = 4,192,328.16/x
  3. Step 3: Cross multiply
    7,133,300.87x = 9,844,010.87 × 4,192,328.16
  4. Step 4: Simplify right side
    7,133,300.87x = 41,269,323,956,685.46
  5. Step 5: Solve for x
    x = 41,269,323,956,685.46/7,133,300.87
  6. Step 6: Final answer
    x = 5,785,445.58

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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.