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Finding the Fourth Proportional to 66,035.52, 91,127.61 and 35,819.69

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Solution

The fourth proportional to 66,035.52, 91,127.61 and 35,819.69 is: 49,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,035.52 : 91,127.61 = 35,819.69 : x
  2. Step 2: Convert to fraction form
    66,035.52/91,127.61 = 35,819.69/x
  3. Step 3: Cross multiply
    66,035.52x = 91,127.61 × 35,819.69
  4. Step 4: Simplify right side
    66,035.52x = 3,264,162,285.00
  5. Step 5: Solve for x
    x = 3,264,162,285.00/66,035.52
  6. Step 6: Final answer
    x = 49,430.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.