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Finding the Fourth Proportional to 61,254.40, 91,884.74 and 16,880.17

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Solution

The fourth proportional to 61,254.40, 91,884.74 and 16,880.17 is: 25,321.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,254.40 : 91,884.74 = 16,880.17 : x
  2. Step 2: Convert to fraction form
    61,254.40/91,884.74 = 16,880.17/x
  3. Step 3: Cross multiply
    61,254.40x = 91,884.74 × 16,880.17
  4. Step 4: Simplify right side
    61,254.40x = 1,551,030,031.61
  5. Step 5: Solve for x
    x = 1,551,030,031.61/61,254.40
  6. Step 6: Final answer
    x = 25,321.12

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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.