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Finding the Fourth Proportional to 38,885.01, 53,612.19 and 25,434.96

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Solution

The fourth proportional to 38,885.01, 53,612.19 and 25,434.96 is: 35,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,885.01 : 53,612.19 = 25,434.96 : x
  2. Step 2: Convert to fraction form
    38,885.01/53,612.19 = 25,434.96/x
  3. Step 3: Cross multiply
    38,885.01x = 53,612.19 × 25,434.96
  4. Step 4: Simplify right side
    38,885.01x = 1,363,623,908.16
  5. Step 5: Solve for x
    x = 1,363,623,908.16/38,885.01
  6. Step 6: Final answer
    x = 35,068.11

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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.