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Finding the Fourth Proportional to 70,011.42, 105,043.06 and 32,591.58

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Solution

The fourth proportional to 70,011.42, 105,043.06 and 32,591.58 is: 48,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,011.42 : 105,043.06 = 32,591.58 : x
  2. Step 2: Convert to fraction form
    70,011.42/105,043.06 = 32,591.58/x
  3. Step 3: Cross multiply
    70,011.42x = 105,043.06 × 32,591.58
  4. Step 4: Simplify right side
    70,011.42x = 3,423,519,293.43
  5. Step 5: Solve for x
    x = 3,423,519,293.43/70,011.42
  6. Step 6: Final answer
    x = 48,899.44

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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.