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Finding the Fourth Proportional to 65,915.88, 98,873.76 and 26,473

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Solution

The fourth proportional to 65,915.88, 98,873.76 and 26,473 is: 39,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,915.88 : 98,873.76 = 26,473 : x
  2. Step 2: Convert to fraction form
    65,915.88/98,873.76 = 26,473/x
  3. Step 3: Cross multiply
    65,915.88x = 98,873.76 × 26,473
  4. Step 4: Simplify right side
    65,915.88x = 2,617,485,048.48
  5. Step 5: Solve for x
    x = 2,617,485,048.48/65,915.88
  6. Step 6: Final answer
    x = 39,709.48

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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.