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Finding the Fourth Proportional to 35,750.80, 53,643.69 and 14,402.63

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Solution

The fourth proportional to 35,750.80, 53,643.69 and 14,402.63 is: 21,610.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,750.80 : 53,643.69 = 14,402.63 : x
  2. Step 2: Convert to fraction form
    35,750.80/53,643.69 = 14,402.63/x
  3. Step 3: Cross multiply
    35,750.80x = 53,643.69 × 14,402.63
  4. Step 4: Simplify right side
    35,750.80x = 772,610,077.63
  5. Step 5: Solve for x
    x = 772,610,077.63/35,750.80
  6. Step 6: Final answer
    x = 21,610.99

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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.