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Finding the Fourth Proportional to 61,010.10, 91,336.95 and 43,514.10

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Solution

The fourth proportional to 61,010.10, 91,336.95 and 43,514.10 is: 65,144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,010.10 : 91,336.95 = 43,514.10 : x
  2. Step 2: Convert to fraction form
    61,010.10/91,336.95 = 43,514.10/x
  3. Step 3: Cross multiply
    61,010.10x = 91,336.95 × 43,514.10
  4. Step 4: Simplify right side
    61,010.10x = 3,974,445,176.00
  5. Step 5: Solve for x
    x = 3,974,445,176.00/61,010.10
  6. Step 6: Final answer
    x = 65,144.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.