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Finding the Fourth Proportional to 93,657.69, 129,350.39 and 63,584.01

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Solution

The fourth proportional to 93,657.69, 129,350.39 and 63,584.01 is: 87,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,657.69 : 129,350.39 = 63,584.01 : x
  2. Step 2: Convert to fraction form
    93,657.69/129,350.39 = 63,584.01/x
  3. Step 3: Cross multiply
    93,657.69x = 129,350.39 × 63,584.01
  4. Step 4: Simplify right side
    93,657.69x = 8,224,616,173.34
  5. Step 5: Solve for x
    x = 8,224,616,173.34/93,657.69
  6. Step 6: Final answer
    x = 87,815.71

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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.