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Finding the Fourth Proportional to 7,549.86, 11,312.00 and 4,622.05

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Solution

The fourth proportional to 7,549.86, 11,312.00 and 4,622.05 is: 6,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.86 : 11,312.00 = 4,622.05 : x
  2. Step 2: Convert to fraction form
    7,549.86/11,312.00 = 4,622.05/x
  3. Step 3: Cross multiply
    7,549.86x = 11,312.00 × 4,622.05
  4. Step 4: Simplify right side
    7,549.86x = 52,284,549.93
  5. Step 5: Solve for x
    x = 52,284,549.93/7,549.86
  6. Step 6: Final answer
    x = 6,925.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.