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Finding the Fourth Proportional to 29,495.19, 40,706.64 and 18,162.45

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Solution

The fourth proportional to 29,495.19, 40,706.64 and 18,162.45 is: 25,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,495.19 : 40,706.64 = 18,162.45 : x
  2. Step 2: Convert to fraction form
    29,495.19/40,706.64 = 18,162.45/x
  3. Step 3: Cross multiply
    29,495.19x = 40,706.64 × 18,162.45
  4. Step 4: Simplify right side
    29,495.19x = 739,332,313.67
  5. Step 5: Solve for x
    x = 739,332,313.67/29,495.19
  6. Step 6: Final answer
    x = 25,066.20

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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.