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Finding the Fourth Proportional to 88,893.60, 133,359.60 and 26,570.40

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Solution

The fourth proportional to 88,893.60, 133,359.60 and 26,570.40 is: 39,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,893.60 : 133,359.60 = 26,570.40 : x
  2. Step 2: Convert to fraction form
    88,893.60/133,359.60 = 26,570.40/x
  3. Step 3: Cross multiply
    88,893.60x = 133,359.60 × 26,570.40
  4. Step 4: Simplify right side
    88,893.60x = 3,543,417,915.84
  5. Step 5: Solve for x
    x = 3,543,417,915.84/88,893.60
  6. Step 6: Final answer
    x = 39,861.34

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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.