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Finding the Fourth Proportional to 35,459.51, 53,190.74 and 11,769.17

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Solution

The fourth proportional to 35,459.51, 53,190.74 and 11,769.17 is: 17,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,459.51 : 53,190.74 = 11,769.17 : x
  2. Step 2: Convert to fraction form
    35,459.51/53,190.74 = 11,769.17/x
  3. Step 3: Cross multiply
    35,459.51x = 53,190.74 × 11,769.17
  4. Step 4: Simplify right side
    35,459.51x = 626,010,624.96
  5. Step 5: Solve for x
    x = 626,010,624.96/35,459.51
  6. Step 6: Final answer
    x = 17,654.24

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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.