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Finding the Fourth Proportional to 26,289.60, 39,088.56 and 26,289.60

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Solution

The fourth proportional to 26,289.60, 39,088.56 and 26,289.60 is: 39,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289.60 : 39,088.56 = 26,289.60 : x
  2. Step 2: Convert to fraction form
    26,289.60/39,088.56 = 26,289.60/x
  3. Step 3: Cross multiply
    26,289.60x = 39,088.56 × 26,289.60
  4. Step 4: Simplify right side
    26,289.60x = 1,027,622,606.98
  5. Step 5: Solve for x
    x = 1,027,622,606.98/26,289.60
  6. Step 6: Final answer
    x = 39,088.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.