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Finding the Fourth Proportional to 9,035.55, 13,557.65 and 7,091.55

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Solution

The fourth proportional to 9,035.55, 13,557.65 and 7,091.55 is: 10,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,035.55 : 13,557.65 = 7,091.55 : x
  2. Step 2: Convert to fraction form
    9,035.55/13,557.65 = 7,091.55/x
  3. Step 3: Cross multiply
    9,035.55x = 13,557.65 × 7,091.55
  4. Step 4: Simplify right side
    9,035.55x = 96,144,717.40
  5. Step 5: Solve for x
    x = 96,144,717.40/9,035.55
  6. Step 6: Final answer
    x = 10,640.72

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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.