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Finding the Fourth Proportional to 29,545, 40,749.04 and 18,935.64

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Solution

The fourth proportional to 29,545, 40,749.04 and 18,935.64 is: 26,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,545 : 40,749.04 = 18,935.64 : x
  2. Step 2: Convert to fraction form
    29,545/40,749.04 = 18,935.64/x
  3. Step 3: Cross multiply
    29,545x = 40,749.04 × 18,935.64
  4. Step 4: Simplify right side
    29,545x = 771,609,151.79
  5. Step 5: Solve for x
    x = 771,609,151.79/29,545
  6. Step 6: Final answer
    x = 26,116.40

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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.