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Finding the Fourth Proportional to 65,007.50, 97,511.26 and 15,759.50

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Solution

The fourth proportional to 65,007.50, 97,511.26 and 15,759.50 is: 23,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,007.50 : 97,511.26 = 15,759.50 : x
  2. Step 2: Convert to fraction form
    65,007.50/97,511.26 = 15,759.50/x
  3. Step 3: Cross multiply
    65,007.50x = 97,511.26 × 15,759.50
  4. Step 4: Simplify right side
    65,007.50x = 1,536,728,701.97
  5. Step 5: Solve for x
    x = 1,536,728,701.97/65,007.50
  6. Step 6: Final answer
    x = 23,639.25

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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.