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Finding the Fourth Proportional to 7,223,852.85, 9,968,535.93 and 4,125,767.13

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Solution

The fourth proportional to 7,223,852.85, 9,968,535.93 and 4,125,767.13 is: 5,693,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223,852.85 : 9,968,535.93 = 4,125,767.13 : x
  2. Step 2: Convert to fraction form
    7,223,852.85/9,968,535.93 = 4,125,767.13/x
  3. Step 3: Cross multiply
    7,223,852.85x = 9,968,535.93 × 4,125,767.13
  4. Step 4: Simplify right side
    7,223,852.85x = 41,127,857,874,217.98
  5. Step 5: Solve for x
    x = 41,127,857,874,217.98/7,223,852.85
  6. Step 6: Final answer
    x = 5,693,341.04

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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.