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Finding the Fourth Proportional to 5,652,128.64, 7,799,864.16 and 3,073,754.52

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Solution

The fourth proportional to 5,652,128.64, 7,799,864.16 and 3,073,754.52 is: 4,241,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652,128.64 : 7,799,864.16 = 3,073,754.52 : x
  2. Step 2: Convert to fraction form
    5,652,128.64/7,799,864.16 = 3,073,754.52/x
  3. Step 3: Cross multiply
    5,652,128.64x = 7,799,864.16 × 3,073,754.52
  4. Step 4: Simplify right side
    5,652,128.64x = 23,974,867,717,186.00
  5. Step 5: Solve for x
    x = 23,974,867,717,186.00/5,652,128.64
  6. Step 6: Final answer
    x = 4,241,741.34

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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.