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Finding the Fourth Proportional to 22,931.58, 34,346.01 and 19,931.58

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Solution

The fourth proportional to 22,931.58, 34,346.01 and 19,931.58 is: 29,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.58 : 34,346.01 = 19,931.58 : x
  2. Step 2: Convert to fraction form
    22,931.58/34,346.01 = 19,931.58/x
  3. Step 3: Cross multiply
    22,931.58x = 34,346.01 × 19,931.58
  4. Step 4: Simplify right side
    22,931.58x = 684,570,246.00
  5. Step 5: Solve for x
    x = 684,570,246.00/22,931.58
  6. Step 6: Final answer
    x = 29,852.73

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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.