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Finding the Fourth Proportional to 61,491.98, 84,854.12 and 35,994.80

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Solution

The fourth proportional to 61,491.98, 84,854.12 and 35,994.80 is: 49,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,491.98 : 84,854.12 = 35,994.80 : x
  2. Step 2: Convert to fraction form
    61,491.98/84,854.12 = 35,994.80/x
  3. Step 3: Cross multiply
    61,491.98x = 84,854.12 × 35,994.80
  4. Step 4: Simplify right side
    61,491.98x = 3,054,307,110.74
  5. Step 5: Solve for x
    x = 3,054,307,110.74/61,491.98
  6. Step 6: Final answer
    x = 49,670.01

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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.