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Finding the Fourth Proportional to 60,614.88, 83,615.02 and 50,457.12

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Solution

The fourth proportional to 60,614.88, 83,615.02 and 50,457.12 is: 69,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,614.88 : 83,615.02 = 50,457.12 : x
  2. Step 2: Convert to fraction form
    60,614.88/83,615.02 = 50,457.12/x
  3. Step 3: Cross multiply
    60,614.88x = 83,615.02 × 50,457.12
  4. Step 4: Simplify right side
    60,614.88x = 4,218,973,097.94
  5. Step 5: Solve for x
    x = 4,218,973,097.94/60,614.88
  6. Step 6: Final answer
    x = 69,602.93

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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.