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Finding the Fourth Proportional to 5,182,003.02, 7,774,000.82 and 1,986,880.02

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Solution

The fourth proportional to 5,182,003.02, 7,774,000.82 and 1,986,880.02 is: 2,980,702.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,003.02 : 7,774,000.82 = 1,986,880.02 : x
  2. Step 2: Convert to fraction form
    5,182,003.02/7,774,000.82 = 1,986,880.02/x
  3. Step 3: Cross multiply
    5,182,003.02x = 7,774,000.82 × 1,986,880.02
  4. Step 4: Simplify right side
    5,182,003.02x = 15,446,006,927,990.47
  5. Step 5: Solve for x
    x = 15,446,006,927,990.47/5,182,003.02
  6. Step 6: Final answer
    x = 2,980,702.03

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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.