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Finding the Fourth Proportional to 50,772.79, 70,081.63 and 32,869.00

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Solution

The fourth proportional to 50,772.79, 70,081.63 and 32,869.00 is: 45,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,772.79 : 70,081.63 = 32,869.00 : x
  2. Step 2: Convert to fraction form
    50,772.79/70,081.63 = 32,869.00/x
  3. Step 3: Cross multiply
    50,772.79x = 70,081.63 × 32,869.00
  4. Step 4: Simplify right side
    50,772.79x = 2,303,513,225.16
  5. Step 5: Solve for x
    x = 2,303,513,225.16/50,772.79
  6. Step 6: Final answer
    x = 45,369.05

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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.