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Finding the Fourth Proportional to 44,187.30, 66,280.95 and 39,813.30

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Solution

The fourth proportional to 44,187.30, 66,280.95 and 39,813.30 is: 59,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,187.30 : 66,280.95 = 39,813.30 : x
  2. Step 2: Convert to fraction form
    44,187.30/66,280.95 = 39,813.30/x
  3. Step 3: Cross multiply
    44,187.30x = 66,280.95 × 39,813.30
  4. Step 4: Simplify right side
    44,187.30x = 2,638,863,346.64
  5. Step 5: Solve for x
    x = 2,638,863,346.64/44,187.30
  6. Step 6: Final answer
    x = 59,719.95

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1.5x scale

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.