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Finding the Fourth Proportional to 63,915.84, 88,207.68 and 35,621.46

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Solution

The fourth proportional to 63,915.84, 88,207.68 and 35,621.46 is: 49,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,915.84 : 88,207.68 = 35,621.46 : x
  2. Step 2: Convert to fraction form
    63,915.84/88,207.68 = 35,621.46/x
  3. Step 3: Cross multiply
    63,915.84x = 88,207.68 × 35,621.46
  4. Step 4: Simplify right side
    63,915.84x = 3,142,086,344.81
  5. Step 5: Solve for x
    x = 3,142,086,344.81/63,915.84
  6. Step 6: Final answer
    x = 49,159.74

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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.