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Finding the Fourth Proportional to 70,055.53, 105,080.34 and 32,602.70

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Solution

The fourth proportional to 70,055.53, 105,080.34 and 32,602.70 is: 48,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,055.53 : 105,080.34 = 32,602.70 : x
  2. Step 2: Convert to fraction form
    70,055.53/105,080.34 = 32,602.70/x
  3. Step 3: Cross multiply
    70,055.53x = 105,080.34 × 32,602.70
  4. Step 4: Simplify right side
    70,055.53x = 3,425,903,002.49
  5. Step 5: Solve for x
    x = 3,425,903,002.49/70,055.53
  6. Step 6: Final answer
    x = 48,902.68

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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.