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Finding the Fourth Proportional to 6,384.55, 8,810.59 and 3,590.05

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Solution

The fourth proportional to 6,384.55, 8,810.59 and 3,590.05 is: 4,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.55 : 8,810.59 = 3,590.05 : x
  2. Step 2: Convert to fraction form
    6,384.55/8,810.59 = 3,590.05/x
  3. Step 3: Cross multiply
    6,384.55x = 8,810.59 × 3,590.05
  4. Step 4: Simplify right side
    6,384.55x = 31,630,458.63
  5. Step 5: Solve for x
    x = 31,630,458.63/6,384.55
  6. Step 6: Final answer
    x = 4,954.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.