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Finding the Fourth Proportional to 70,549.46, 97,342.86 and 41,878.57

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Solution

The fourth proportional to 70,549.46, 97,342.86 and 41,878.57 is: 57,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,549.46 : 97,342.86 = 41,878.57 : x
  2. Step 2: Convert to fraction form
    70,549.46/97,342.86 = 41,878.57/x
  3. Step 3: Cross multiply
    70,549.46x = 97,342.86 × 41,878.57
  4. Step 4: Simplify right side
    70,549.46x = 4,076,579,915.70
  5. Step 5: Solve for x
    x = 4,076,579,915.70/70,549.46
  6. Step 6: Final answer
    x = 57,783.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.