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Finding the Fourth Proportional to 55,988,674, 83,983,011 and 13,438,402

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Solution

The fourth proportional to 55,988,674, 83,983,011 and 13,438,402 is: 20,157,603

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988,674 : 83,983,011 = 13,438,402 : x
  2. Step 2: Convert to fraction form
    55,988,674/83,983,011 = 13,438,402/x
  3. Step 3: Cross multiply
    55,988,674x = 83,983,011 × 13,438,402
  4. Step 4: Simplify right side
    55,988,674x = 1,128,597,462,988,422
  5. Step 5: Solve for x
    x = 1,128,597,462,988,422/55,988,674
  6. Step 6: Final answer
    x = 20,157,603

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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.