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Finding the Fourth Proportional to 35,476.61, 53,220.03 and 11,776.10

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Solution

The fourth proportional to 35,476.61, 53,220.03 and 11,776.10 is: 17,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,476.61 : 53,220.03 = 11,776.10 : x
  2. Step 2: Convert to fraction form
    35,476.61/53,220.03 = 11,776.10/x
  3. Step 3: Cross multiply
    35,476.61x = 53,220.03 × 11,776.10
  4. Step 4: Simplify right side
    35,476.61x = 626,724,129.18
  5. Step 5: Solve for x
    x = 626,724,129.18/35,476.61
  6. Step 6: Final answer
    x = 17,665.84

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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.