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Finding the Fourth Proportional to 35,407.95, 53,144.73 and 17,890.08

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Solution

The fourth proportional to 35,407.95, 53,144.73 and 17,890.08 is: 26,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,407.95 : 53,144.73 = 17,890.08 : x
  2. Step 2: Convert to fraction form
    35,407.95/53,144.73 = 17,890.08/x
  3. Step 3: Cross multiply
    35,407.95x = 53,144.73 × 17,890.08
  4. Step 4: Simplify right side
    35,407.95x = 950,763,271.99
  5. Step 5: Solve for x
    x = 950,763,271.99/35,407.95
  6. Step 6: Final answer
    x = 26,851.69

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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.