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Finding the Fourth Proportional to 5,788.86, 8,700.28 and 4,807.98

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Solution

The fourth proportional to 5,788.86, 8,700.28 and 4,807.98 is: 7,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788.86 : 8,700.28 = 4,807.98 : x
  2. Step 2: Convert to fraction form
    5,788.86/8,700.28 = 4,807.98/x
  3. Step 3: Cross multiply
    5,788.86x = 8,700.28 × 4,807.98
  4. Step 4: Simplify right side
    5,788.86x = 41,830,772.23
  5. Step 5: Solve for x
    x = 41,830,772.23/5,788.86
  6. Step 6: Final answer
    x = 7,226.08

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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.