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Finding the Fourth Proportional to 63,378.99, 87,461.78 and 35,084.88

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Solution

The fourth proportional to 63,378.99, 87,461.78 and 35,084.88 is: 48,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,378.99 : 87,461.78 = 35,084.88 : x
  2. Step 2: Convert to fraction form
    63,378.99/87,461.78 = 35,084.88/x
  3. Step 3: Cross multiply
    63,378.99x = 87,461.78 × 35,084.88
  4. Step 4: Simplify right side
    63,378.99x = 3,068,585,880.46
  5. Step 5: Solve for x
    x = 3,068,585,880.46/63,378.99
  6. Step 6: Final answer
    x = 48,416.45

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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.