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Finding the Fourth Proportional to 29,588.60, 44,382.90 and 8,809.40

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Solution

The fourth proportional to 29,588.60, 44,382.90 and 8,809.40 is: 13,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,588.60 : 44,382.90 = 8,809.40 : x
  2. Step 2: Convert to fraction form
    29,588.60/44,382.90 = 8,809.40/x
  3. Step 3: Cross multiply
    29,588.60x = 44,382.90 × 8,809.40
  4. Step 4: Simplify right side
    29,588.60x = 390,986,719.26
  5. Step 5: Solve for x
    x = 390,986,719.26/29,588.60
  6. Step 6: Final answer
    x = 13,214.10

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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.