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Finding the Fourth Proportional to 9,579.10, 14,368.65 and 8,048.20

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Solution

The fourth proportional to 9,579.10, 14,368.65 and 8,048.20 is: 12,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.10 : 14,368.65 = 8,048.20 : x
  2. Step 2: Convert to fraction form
    9,579.10/14,368.65 = 8,048.20/x
  3. Step 3: Cross multiply
    9,579.10x = 14,368.65 × 8,048.20
  4. Step 4: Simplify right side
    9,579.10x = 115,641,768.93
  5. Step 5: Solve for x
    x = 115,641,768.93/9,579.10
  6. Step 6: Final answer
    x = 12,072.30

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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.