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Finding the Fourth Proportional to 88,969.70, 133,454.01 and 35,685.74

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Solution

The fourth proportional to 88,969.70, 133,454.01 and 35,685.74 is: 53,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,969.70 : 133,454.01 = 35,685.74 : x
  2. Step 2: Convert to fraction form
    88,969.70/133,454.01 = 35,685.74/x
  3. Step 3: Cross multiply
    88,969.70x = 133,454.01 × 35,685.74
  4. Step 4: Simplify right side
    88,969.70x = 4,762,405,102.82
  5. Step 5: Solve for x
    x = 4,762,405,102.82/88,969.70
  6. Step 6: Final answer
    x = 53,528.39

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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.