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Finding the Fourth Proportional to 61,645.96, 85,070.80 and 33,351.04

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Solution

The fourth proportional to 61,645.96, 85,070.80 and 33,351.04 is: 46,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,645.96 : 85,070.80 = 33,351.04 : x
  2. Step 2: Convert to fraction form
    61,645.96/85,070.80 = 33,351.04/x
  3. Step 3: Cross multiply
    61,645.96x = 85,070.80 × 33,351.04
  4. Step 4: Simplify right side
    61,645.96x = 2,837,199,653.63
  5. Step 5: Solve for x
    x = 2,837,199,653.63/61,645.96
  6. Step 6: Final answer
    x = 46,024.10

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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.