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Finding the Fourth Proportional to 53,483.86, 73,808.31 and 29,610.96

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Solution

The fourth proportional to 53,483.86, 73,808.31 and 29,610.96 is: 40,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,483.86 : 73,808.31 = 29,610.96 : x
  2. Step 2: Convert to fraction form
    53,483.86/73,808.31 = 29,610.96/x
  3. Step 3: Cross multiply
    53,483.86x = 73,808.31 × 29,610.96
  4. Step 4: Simplify right side
    53,483.86x = 2,185,534,915.08
  5. Step 5: Solve for x
    x = 2,185,534,915.08/53,483.86
  6. Step 6: Final answer
    x = 40,863.45

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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.