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Finding the Fourth Proportional to 60,555.10, 90,832.65 and 30,963.10

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Solution

The fourth proportional to 60,555.10, 90,832.65 and 30,963.10 is: 46,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,555.10 : 90,832.65 = 30,963.10 : x
  2. Step 2: Convert to fraction form
    60,555.10/90,832.65 = 30,963.10/x
  3. Step 3: Cross multiply
    60,555.10x = 90,832.65 × 30,963.10
  4. Step 4: Simplify right side
    60,555.10x = 2,812,460,425.22
  5. Step 5: Solve for x
    x = 2,812,460,425.22/60,555.10
  6. Step 6: Final answer
    x = 46,444.65

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Similar ratio
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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.