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Finding the Fourth Proportional to 61,325.74, 91,986.78 and 16,955.16

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Solution

The fourth proportional to 61,325.74, 91,986.78 and 16,955.16 is: 25,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,325.74 : 91,986.78 = 16,955.16 : x
  2. Step 2: Convert to fraction form
    61,325.74/91,986.78 = 16,955.16/x
  3. Step 3: Cross multiply
    61,325.74x = 91,986.78 × 16,955.16
  4. Step 4: Simplify right side
    61,325.74x = 1,559,650,572.78
  5. Step 5: Solve for x
    x = 1,559,650,572.78/61,325.74
  6. Step 6: Final answer
    x = 25,432.23

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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.