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Finding the Fourth Proportional to 30,295.84, 41,807.76 and 17,722.72

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Solution

The fourth proportional to 30,295.84, 41,807.76 and 17,722.72 is: 24,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,295.84 : 41,807.76 = 17,722.72 : x
  2. Step 2: Convert to fraction form
    30,295.84/41,807.76 = 17,722.72/x
  3. Step 3: Cross multiply
    30,295.84x = 41,807.76 × 17,722.72
  4. Step 4: Simplify right side
    30,295.84x = 740,947,224.31
  5. Step 5: Solve for x
    x = 740,947,224.31/30,295.84
  6. Step 6: Final answer
    x = 24,457.06

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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.