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Finding the Fourth Proportional to 35,368.79, 53,053.17 and 11,995.43

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Solution

The fourth proportional to 35,368.79, 53,053.17 and 11,995.43 is: 17,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,368.79 : 53,053.17 = 11,995.43 : x
  2. Step 2: Convert to fraction form
    35,368.79/53,053.17 = 11,995.43/x
  3. Step 3: Cross multiply
    35,368.79x = 53,053.17 × 11,995.43
  4. Step 4: Simplify right side
    35,368.79x = 636,395,587.01
  5. Step 5: Solve for x
    x = 636,395,587.01/35,368.79
  6. Step 6: Final answer
    x = 17,993.14

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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.