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Finding the Fourth Proportional to 69,332.99, 103,984.29 and 33,779.05

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Solution

The fourth proportional to 69,332.99, 103,984.29 and 33,779.05 is: 50,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,332.99 : 103,984.29 = 33,779.05 : x
  2. Step 2: Convert to fraction form
    69,332.99/103,984.29 = 33,779.05/x
  3. Step 3: Cross multiply
    69,332.99x = 103,984.29 × 33,779.05
  4. Step 4: Simplify right side
    69,332.99x = 3,512,490,271.16
  5. Step 5: Solve for x
    x = 3,512,490,271.16/69,332.99
  6. Step 6: Final answer
    x = 50,661.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.