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Finding the Fourth Proportional to 76,670.87, 105,798.80 and 44,834.22

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Solution

The fourth proportional to 76,670.87, 105,798.80 and 44,834.22 is: 61,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,670.87 : 105,798.80 = 44,834.22 : x
  2. Step 2: Convert to fraction form
    76,670.87/105,798.80 = 44,834.22/x
  3. Step 3: Cross multiply
    76,670.87x = 105,798.80 × 44,834.22
  4. Step 4: Simplify right side
    76,670.87x = 4,743,406,827.35
  5. Step 5: Solve for x
    x = 4,743,406,827.35/76,670.87
  6. Step 6: Final answer
    x = 61,867.13

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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.