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Finding the Fourth Proportional to 9,518.80, 14,294.40 and 7,056.40

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Solution

The fourth proportional to 9,518.80, 14,294.40 and 7,056.40 is: 10,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.80 : 14,294.40 = 7,056.40 : x
  2. Step 2: Convert to fraction form
    9,518.80/14,294.40 = 7,056.40/x
  3. Step 3: Cross multiply
    9,518.80x = 14,294.40 × 7,056.40
  4. Step 4: Simplify right side
    9,518.80x = 100,867,004.16
  5. Step 5: Solve for x
    x = 100,867,004.16/9,518.80
  6. Step 6: Final answer
    x = 10,596.61

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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.