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Finding the Fourth Proportional to 47,663.76, 65,785.36 and 27,533.68

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Solution

The fourth proportional to 47,663.76, 65,785.36 and 27,533.68 is: 38,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,663.76 : 65,785.36 = 27,533.68 : x
  2. Step 2: Convert to fraction form
    47,663.76/65,785.36 = 27,533.68/x
  3. Step 3: Cross multiply
    47,663.76x = 65,785.36 × 27,533.68
  4. Step 4: Simplify right side
    47,663.76x = 1,811,313,050.92
  5. Step 5: Solve for x
    x = 1,811,313,050.92/47,663.76
  6. Step 6: Final answer
    x = 38,001.89

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Double scale
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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.