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Finding the Fourth Proportional to 79,266.79, 109,384.73 and 47,453.23

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Solution

The fourth proportional to 79,266.79, 109,384.73 and 47,453.23 is: 65,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,266.79 : 109,384.73 = 47,453.23 : x
  2. Step 2: Convert to fraction form
    79,266.79/109,384.73 = 47,453.23/x
  3. Step 3: Cross multiply
    79,266.79x = 109,384.73 × 47,453.23
  4. Step 4: Simplify right side
    79,266.79x = 5,190,658,828.59
  5. Step 5: Solve for x
    x = 5,190,658,828.59/79,266.79
  6. Step 6: Final answer
    x = 65,483.40

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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.