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Finding the Fourth Proportional to 22,258.80, 30,723.71 and 14,303.59

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Solution

The fourth proportional to 22,258.80, 30,723.71 and 14,303.59 is: 19,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.80 : 30,723.71 = 14,303.59 : x
  2. Step 2: Convert to fraction form
    22,258.80/30,723.71 = 14,303.59/x
  3. Step 3: Cross multiply
    22,258.80x = 30,723.71 × 14,303.59
  4. Step 4: Simplify right side
    22,258.80x = 439,459,202.79
  5. Step 5: Solve for x
    x = 439,459,202.79/22,258.80
  6. Step 6: Final answer
    x = 19,743.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.