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Finding the Fourth Proportional to 69,602.76, 96,051.60 and 37,771.38

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Solution

The fourth proportional to 69,602.76, 96,051.60 and 37,771.38 is: 52,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,602.76 : 96,051.60 = 37,771.38 : x
  2. Step 2: Convert to fraction form
    69,602.76/96,051.60 = 37,771.38/x
  3. Step 3: Cross multiply
    69,602.76x = 96,051.60 × 37,771.38
  4. Step 4: Simplify right side
    69,602.76x = 3,628,001,483.21
  5. Step 5: Solve for x
    x = 3,628,001,483.21/69,602.76
  6. Step 6: Final answer
    x = 52,124.39

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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.