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Finding the Fourth Proportional to 76,369.88, 105,349.76 and 44,527.16

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Solution

The fourth proportional to 76,369.88, 105,349.76 and 44,527.16 is: 61,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,369.88 : 105,349.76 = 44,527.16 : x
  2. Step 2: Convert to fraction form
    76,369.88/105,349.76 = 44,527.16/x
  3. Step 3: Cross multiply
    76,369.88x = 105,349.76 × 44,527.16
  4. Step 4: Simplify right side
    76,369.88x = 4,690,925,619.48
  5. Step 5: Solve for x
    x = 4,690,925,619.48/76,369.88
  6. Step 6: Final answer
    x = 61,423.77

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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.