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Finding the Fourth Proportional to 4,723,652.07, 7,086,602.56 and 1,528,778.28

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Solution

The fourth proportional to 4,723,652.07, 7,086,602.56 and 1,528,778.28 is: 2,293,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723,652.07 : 7,086,602.56 = 1,528,778.28 : x
  2. Step 2: Convert to fraction form
    4,723,652.07/7,086,602.56 = 1,528,778.28/x
  3. Step 3: Cross multiply
    4,723,652.07x = 7,086,602.56 × 1,528,778.28
  4. Step 4: Simplify right side
    4,723,652.07x = 10,833,844,066,987.48
  5. Step 5: Solve for x
    x = 10,833,844,066,987.48/4,723,652.07
  6. Step 6: Final answer
    x = 2,293,531.34

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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.