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Finding the Fourth Proportional to 9,035.54, 13,580.04 and 7,485.47

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Solution

The fourth proportional to 9,035.54, 13,580.04 and 7,485.47 is: 11,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,035.54 : 13,580.04 = 7,485.47 : x
  2. Step 2: Convert to fraction form
    9,035.54/13,580.04 = 7,485.47/x
  3. Step 3: Cross multiply
    9,035.54x = 13,580.04 × 7,485.47
  4. Step 4: Simplify right side
    9,035.54x = 101,652,982.02
  5. Step 5: Solve for x
    x = 101,652,982.02/9,035.54
  6. Step 6: Final answer
    x = 11,250.35

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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.