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Finding the Fourth Proportional to 70,448.60, 105,596.36 and 32,985.29

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Solution

The fourth proportional to 70,448.60, 105,596.36 and 32,985.29 is: 49,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,448.60 : 105,596.36 = 32,985.29 : x
  2. Step 2: Convert to fraction form
    70,448.60/105,596.36 = 32,985.29/x
  3. Step 3: Cross multiply
    70,448.60x = 105,596.36 × 32,985.29
  4. Step 4: Simplify right side
    70,448.60x = 3,483,126,780.30
  5. Step 5: Solve for x
    x = 3,483,126,780.30/70,448.60
  6. Step 6: Final answer
    x = 49,442.10

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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.