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Finding the Fourth Proportional to 35,925.84, 53,899.96 and 18,407.96

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Solution

The fourth proportional to 35,925.84, 53,899.96 and 18,407.96 is: 27,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,925.84 : 53,899.96 = 18,407.96 : x
  2. Step 2: Convert to fraction form
    35,925.84/53,899.96 = 18,407.96/x
  3. Step 3: Cross multiply
    35,925.84x = 53,899.96 × 18,407.96
  4. Step 4: Simplify right side
    35,925.84x = 992,188,307.68
  5. Step 5: Solve for x
    x = 992,188,307.68/35,925.84
  6. Step 6: Final answer
    x = 27,617.68

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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.