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Finding the Fourth Proportional to 60,025.17, 90,035.79 and 17,905.59

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Solution

The fourth proportional to 60,025.17, 90,035.79 and 17,905.59 is: 26,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,025.17 : 90,035.79 = 17,905.59 : x
  2. Step 2: Convert to fraction form
    60,025.17/90,035.79 = 17,905.59/x
  3. Step 3: Cross multiply
    60,025.17x = 90,035.79 × 17,905.59
  4. Step 4: Simplify right side
    60,025.17x = 1,612,143,941.07
  5. Step 5: Solve for x
    x = 1,612,143,941.07/60,025.17
  6. Step 6: Final answer
    x = 26,857.80

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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.