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Finding the Fourth Proportional to 85,993.95, 118,670.84 and 47,752.55

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Solution

The fourth proportional to 85,993.95, 118,670.84 and 47,752.55 is: 65,898.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,993.95 : 118,670.84 = 47,752.55 : x
  2. Step 2: Convert to fraction form
    85,993.95/118,670.84 = 47,752.55/x
  3. Step 3: Cross multiply
    85,993.95x = 118,670.84 × 47,752.55
  4. Step 4: Simplify right side
    85,993.95x = 5,666,835,012.61
  5. Step 5: Solve for x
    x = 5,666,835,012.61/85,993.95
  6. Step 6: Final answer
    x = 65,898.06

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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.