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Finding the Fourth Proportional to 60,683.65, 91,010.88 and 31,086.25

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Solution

The fourth proportional to 60,683.65, 91,010.88 and 31,086.25 is: 46,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,683.65 : 91,010.88 = 31,086.25 : x
  2. Step 2: Convert to fraction form
    60,683.65/91,010.88 = 31,086.25/x
  3. Step 3: Cross multiply
    60,683.65x = 91,010.88 × 31,086.25
  4. Step 4: Simplify right side
    60,683.65x = 2,829,186,968.40
  5. Step 5: Solve for x
    x = 2,829,186,968.40/60,683.65
  6. Step 6: Final answer
    x = 46,621.90

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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.