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Finding the Fourth Proportional to 58,653.48, 80,927.10 and 34,779

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Solution

The fourth proportional to 58,653.48, 80,927.10 and 34,779 is: 47,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,653.48 : 80,927.10 = 34,779 : x
  2. Step 2: Convert to fraction form
    58,653.48/80,927.10 = 34,779/x
  3. Step 3: Cross multiply
    58,653.48x = 80,927.10 × 34,779
  4. Step 4: Simplify right side
    58,653.48x = 2,814,563,610.90
  5. Step 5: Solve for x
    x = 2,814,563,610.90/58,653.48
  6. Step 6: Final answer
    x = 47,986.30

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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.