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Finding the Fourth Proportional to 60,458.99, 83,483.78 and 50,439.97

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Solution

The fourth proportional to 60,458.99, 83,483.78 and 50,439.97 is: 69,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,458.99 : 83,483.78 = 50,439.97 : x
  2. Step 2: Convert to fraction form
    60,458.99/83,483.78 = 50,439.97/x
  3. Step 3: Cross multiply
    60,458.99x = 83,483.78 × 50,439.97
  4. Step 4: Simplify right side
    60,458.99x = 4,210,918,689.07
  5. Step 5: Solve for x
    x = 4,210,918,689.07/60,458.99
  6. Step 6: Final answer
    x = 69,649.17

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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.