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Finding the Fourth Proportional to 6,602,751.72, 9,111,681.90 and 3,702,133.62

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Solution

The fourth proportional to 6,602,751.72, 9,111,681.90 and 3,702,133.62 is: 5,108,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602,751.72 : 9,111,681.90 = 3,702,133.62 : x
  2. Step 2: Convert to fraction form
    6,602,751.72/9,111,681.90 = 3,702,133.62/x
  3. Step 3: Cross multiply
    6,602,751.72x = 9,111,681.90 × 3,702,133.62
  4. Step 4: Simplify right side
    6,602,751.72x = 33,732,663,896,735.48
  5. Step 5: Solve for x
    x = 33,732,663,896,735.48/6,602,751.72
  6. Step 6: Final answer
    x = 5,108,879.65

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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.