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Finding the Fourth Proportional to 61,497.90, 84,870.99 and 36,012.06

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Solution

The fourth proportional to 61,497.90, 84,870.99 and 36,012.06 is: 49,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,497.90 : 84,870.99 = 36,012.06 : x
  2. Step 2: Convert to fraction form
    61,497.90/84,870.99 = 36,012.06/x
  3. Step 3: Cross multiply
    61,497.90x = 84,870.99 × 36,012.06
  4. Step 4: Simplify right side
    61,497.90x = 3,056,379,184.14
  5. Step 5: Solve for x
    x = 3,056,379,184.14/61,497.90
  6. Step 6: Final answer
    x = 49,698.92

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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.