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Finding the Fourth Proportional to 64,915.90, 97,300.95 and 27,469.60

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Solution

The fourth proportional to 64,915.90, 97,300.95 and 27,469.60 is: 41,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,915.90 : 97,300.95 = 27,469.60 : x
  2. Step 2: Convert to fraction form
    64,915.90/97,300.95 = 27,469.60/x
  3. Step 3: Cross multiply
    64,915.90x = 97,300.95 × 27,469.60
  4. Step 4: Simplify right side
    64,915.90x = 2,672,818,176.12
  5. Step 5: Solve for x
    x = 2,672,818,176.12/64,915.90
  6. Step 6: Final answer
    x = 41,173.55

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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.