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Finding the Fourth Proportional to 61,010.86, 84,195.02 and 34,153.42

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Solution

The fourth proportional to 61,010.86, 84,195.02 and 34,153.42 is: 47,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,010.86 : 84,195.02 = 34,153.42 : x
  2. Step 2: Convert to fraction form
    61,010.86/84,195.02 = 34,153.42/x
  3. Step 3: Cross multiply
    61,010.86x = 84,195.02 × 34,153.42
  4. Step 4: Simplify right side
    61,010.86x = 2,875,547,879.97
  5. Step 5: Solve for x
    x = 2,875,547,879.97/61,010.86
  6. Step 6: Final answer
    x = 47,131.74

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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.