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Finding the Fourth Proportional to 60,077.80, 90,123.54 and 17,960.23

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Solution

The fourth proportional to 60,077.80, 90,123.54 and 17,960.23 is: 26,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,077.80 : 90,123.54 = 17,960.23 : x
  2. Step 2: Convert to fraction form
    60,077.80/90,123.54 = 17,960.23/x
  3. Step 3: Cross multiply
    60,077.80x = 90,123.54 × 17,960.23
  4. Step 4: Simplify right side
    60,077.80x = 1,618,639,506.81
  5. Step 5: Solve for x
    x = 1,618,639,506.81/60,077.80
  6. Step 6: Final answer
    x = 26,942.39

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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.