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Finding the Fourth Proportional to 70,368.12, 105,525.72 and 22,972.14

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Solution

The fourth proportional to 70,368.12, 105,525.72 and 22,972.14 is: 34,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,368.12 : 105,525.72 = 22,972.14 : x
  2. Step 2: Convert to fraction form
    70,368.12/105,525.72 = 22,972.14/x
  3. Step 3: Cross multiply
    70,368.12x = 105,525.72 × 22,972.14
  4. Step 4: Simplify right side
    70,368.12x = 2,424,151,613.44
  5. Step 5: Solve for x
    x = 2,424,151,613.44/70,368.12
  6. Step 6: Final answer
    x = 34,449.57

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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.