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Finding the Fourth Proportional to 35,368.88, 53,053.93 and 11,995.92

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Solution

The fourth proportional to 35,368.88, 53,053.93 and 11,995.92 is: 17,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,368.88 : 53,053.93 = 11,995.92 : x
  2. Step 2: Convert to fraction form
    35,368.88/53,053.93 = 11,995.92/x
  3. Step 3: Cross multiply
    35,368.88x = 53,053.93 × 11,995.92
  4. Step 4: Simplify right side
    35,368.88x = 636,430,699.97
  5. Step 5: Solve for x
    x = 636,430,699.97/35,368.88
  6. Step 6: Final answer
    x = 17,994.09

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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.