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Finding the Fourth Proportional to 43,489.99, 60,008.07 and 25,588.45

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Solution

The fourth proportional to 43,489.99, 60,008.07 and 25,588.45 is: 35,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,489.99 : 60,008.07 = 25,588.45 : x
  2. Step 2: Convert to fraction form
    43,489.99/60,008.07 = 25,588.45/x
  3. Step 3: Cross multiply
    43,489.99x = 60,008.07 × 25,588.45
  4. Step 4: Simplify right side
    43,489.99x = 1,535,513,498.79
  5. Step 5: Solve for x
    x = 1,535,513,498.79/43,489.99
  6. Step 6: Final answer
    x = 35,307.29

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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.