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Finding the Fourth Proportional to 5,970.41, 8,955.61 and 1,587.87

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Solution

The fourth proportional to 5,970.41, 8,955.61 and 1,587.87 is: 2,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.41 : 8,955.61 = 1,587.87 : x
  2. Step 2: Convert to fraction form
    5,970.41/8,955.61 = 1,587.87/x
  3. Step 3: Cross multiply
    5,970.41x = 8,955.61 × 1,587.87
  4. Step 4: Simplify right side
    5,970.41x = 14,220,374.06
  5. Step 5: Solve for x
    x = 14,220,374.06/5,970.41
  6. Step 6: Final answer
    x = 2,381.81

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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.