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Finding the Fourth Proportional to 70,970.63, 97,940.88 and 45,863.87

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Solution

The fourth proportional to 70,970.63, 97,940.88 and 45,863.87 is: 63,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,970.63 : 97,940.88 = 45,863.87 : x
  2. Step 2: Convert to fraction form
    70,970.63/97,940.88 = 45,863.87/x
  3. Step 3: Cross multiply
    70,970.63x = 97,940.88 × 45,863.87
  4. Step 4: Simplify right side
    70,970.63x = 4,491,947,788.01
  5. Step 5: Solve for x
    x = 4,491,947,788.01/70,970.63
  6. Step 6: Final answer
    x = 63,293.05

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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.