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Finding the Fourth Proportional to 35,457.71, 53,168.42 and 11,756.70

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Solution

The fourth proportional to 35,457.71, 53,168.42 and 11,756.70 is: 17,629.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,457.71 : 53,168.42 = 11,756.70 : x
  2. Step 2: Convert to fraction form
    35,457.71/53,168.42 = 11,756.70/x
  3. Step 3: Cross multiply
    35,457.71x = 53,168.42 × 11,756.70
  4. Step 4: Simplify right side
    35,457.71x = 625,085,192.81
  5. Step 5: Solve for x
    x = 625,085,192.81/35,457.71
  6. Step 6: Final answer
    x = 17,629.04

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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.