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Finding the Fourth Proportional to 60,522.40, 90,784.24 and 18,409.34

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Solution

The fourth proportional to 60,522.40, 90,784.24 and 18,409.34 is: 27,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,522.40 : 90,784.24 = 18,409.34 : x
  2. Step 2: Convert to fraction form
    60,522.40/90,784.24 = 18,409.34/x
  3. Step 3: Cross multiply
    60,522.40x = 90,784.24 × 18,409.34
  4. Step 4: Simplify right side
    60,522.40x = 1,671,277,940.80
  5. Step 5: Solve for x
    x = 1,671,277,940.80/60,522.40
  6. Step 6: Final answer
    x = 27,614.20

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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.