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Finding the Fourth Proportional to 35,407.19, 53,086.19 and 15,674.99

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Solution

The fourth proportional to 35,407.19, 53,086.19 and 15,674.99 is: 23,501.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,407.19 : 53,086.19 = 15,674.99 : x
  2. Step 2: Convert to fraction form
    35,407.19/53,086.19 = 15,674.99/x
  3. Step 3: Cross multiply
    35,407.19x = 53,086.19 × 15,674.99
  4. Step 4: Simplify right side
    35,407.19x = 832,125,153.58
  5. Step 5: Solve for x
    x = 832,125,153.58/35,407.19
  6. Step 6: Final answer
    x = 23,501.59

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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.