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Finding the Fourth Proportional to 5,916.60, 8,875.31 and 1,534.50

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Solution

The fourth proportional to 5,916.60, 8,875.31 and 1,534.50 is: 2,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.60 : 8,875.31 = 1,534.50 : x
  2. Step 2: Convert to fraction form
    5,916.60/8,875.31 = 1,534.50/x
  3. Step 3: Cross multiply
    5,916.60x = 8,875.31 × 1,534.50
  4. Step 4: Simplify right side
    5,916.60x = 13,619,155.52
  5. Step 5: Solve for x
    x = 13,619,155.52/5,916.60
  6. Step 6: Final answer
    x = 2,301.86

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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.