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Finding the Fourth Proportional to 35,385.88, 53,053.06 and 16,655.51

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Solution

The fourth proportional to 35,385.88, 53,053.06 and 16,655.51 is: 24,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,385.88 : 53,053.06 = 16,655.51 : x
  2. Step 2: Convert to fraction form
    35,385.88/53,053.06 = 16,655.51/x
  3. Step 3: Cross multiply
    35,385.88x = 53,053.06 × 16,655.51
  4. Step 4: Simplify right side
    35,385.88x = 883,625,595.16
  5. Step 5: Solve for x
    x = 883,625,595.16/35,385.88
  6. Step 6: Final answer
    x = 24,971.14

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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.