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Finding the Fourth Proportional to 29,355.30, 44,038.44 and 9,639.54

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Solution

The fourth proportional to 29,355.30, 44,038.44 and 9,639.54 is: 14,461.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,355.30 : 44,038.44 = 9,639.54 : x
  2. Step 2: Convert to fraction form
    29,355.30/44,038.44 = 9,639.54/x
  3. Step 3: Cross multiply
    29,355.30x = 44,038.44 × 9,639.54
  4. Step 4: Simplify right side
    29,355.30x = 424,510,303.92
  5. Step 5: Solve for x
    x = 424,510,303.92/29,355.30
  6. Step 6: Final answer
    x = 14,461.11

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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.