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Finding the Fourth Proportional to 5,817.98, 8,726.99 and 4,790.77

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Solution

The fourth proportional to 5,817.98, 8,726.99 and 4,790.77 is: 7,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.98 : 8,726.99 = 4,790.77 : x
  2. Step 2: Convert to fraction form
    5,817.98/8,726.99 = 4,790.77/x
  3. Step 3: Cross multiply
    5,817.98x = 8,726.99 × 4,790.77
  4. Step 4: Simplify right side
    5,817.98x = 41,808,956.11
  5. Step 5: Solve for x
    x = 41,808,956.11/5,817.98
  6. Step 6: Final answer
    x = 7,186.16

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1.5x scale

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.