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Finding the Fourth Proportional to 53,695.84, 74,103.60 and 32,476

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Solution

The fourth proportional to 53,695.84, 74,103.60 and 32,476 is: 44,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,695.84 : 74,103.60 = 32,476 : x
  2. Step 2: Convert to fraction form
    53,695.84/74,103.60 = 32,476/x
  3. Step 3: Cross multiply
    53,695.84x = 74,103.60 × 32,476
  4. Step 4: Simplify right side
    53,695.84x = 2,406,588,513.60
  5. Step 5: Solve for x
    x = 2,406,588,513.60/53,695.84
  6. Step 6: Final answer
    x = 44,818.90

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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.