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Finding the Fourth Proportional to 1,124.63, 1,551.98 and 659.15

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Solution

The fourth proportional to 1,124.63, 1,551.98 and 659.15 is: 909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.63 : 1,551.98 = 659.15 : x
  2. Step 2: Convert to fraction form
    1,124.63/1,551.98 = 659.15/x
  3. Step 3: Cross multiply
    1,124.63x = 1,551.98 × 659.15
  4. Step 4: Simplify right side
    1,124.63x = 1,022,981.50
  5. Step 5: Solve for x
    x = 1,022,981.50/1,124.63
  6. Step 6: Final answer
    x = 909.62

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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.