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Finding the Fourth Proportional to 40,648.38, 60,970.74 and 16,946.16

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Solution

The fourth proportional to 40,648.38, 60,970.74 and 16,946.16 is: 25,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,648.38 : 60,970.74 = 16,946.16 : x
  2. Step 2: Convert to fraction form
    40,648.38/60,970.74 = 16,946.16/x
  3. Step 3: Cross multiply
    40,648.38x = 60,970.74 × 16,946.16
  4. Step 4: Simplify right side
    40,648.38x = 1,033,219,915.36
  5. Step 5: Solve for x
    x = 1,033,219,915.36/40,648.38
  6. Step 6: Final answer
    x = 25,418.48

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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.