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Finding the Fourth Proportional to 55,991,684, 77,268,525 and 30,237,572

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Solution

The fourth proportional to 55,991,684, 77,268,525 and 30,237,572 is: 41,727,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,991,684 : 77,268,525 = 30,237,572 : x
  2. Step 2: Convert to fraction form
    55,991,684/77,268,525 = 30,237,572/x
  3. Step 3: Cross multiply
    55,991,684x = 77,268,525 × 30,237,572
  4. Step 4: Simplify right side
    55,991,684x = 2,336,412,588,021,300
  5. Step 5: Solve for x
    x = 2,336,412,588,021,300/55,991,684
  6. Step 6: Final answer
    x = 41,727,849.94

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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.