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Finding the Fourth Proportional to 62,955.80, 94,433.70 and 21,402.80

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Solution

The fourth proportional to 62,955.80, 94,433.70 and 21,402.80 is: 32,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,955.80 : 94,433.70 = 21,402.80 : x
  2. Step 2: Convert to fraction form
    62,955.80/94,433.70 = 21,402.80/x
  3. Step 3: Cross multiply
    62,955.80x = 94,433.70 × 21,402.80
  4. Step 4: Simplify right side
    62,955.80x = 2,021,145,594.36
  5. Step 5: Solve for x
    x = 2,021,145,594.36/62,955.80
  6. Step 6: Final answer
    x = 32,104.20

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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.