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Finding the Fourth Proportional to 60,368.25, 90,557.37 and 18,815.25

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Solution

The fourth proportional to 60,368.25, 90,557.37 and 18,815.25 is: 28,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,368.25 : 90,557.37 = 18,815.25 : x
  2. Step 2: Convert to fraction form
    60,368.25/90,557.37 = 18,815.25/x
  3. Step 3: Cross multiply
    60,368.25x = 90,557.37 × 18,815.25
  4. Step 4: Simplify right side
    60,368.25x = 1,703,859,555.89
  5. Step 5: Solve for x
    x = 1,703,859,555.89/60,368.25
  6. Step 6: Final answer
    x = 28,224.43

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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.