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Finding the Fourth Proportional to 35,799.88, 53,699.82 and 9,145.93

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Solution

The fourth proportional to 35,799.88, 53,699.82 and 9,145.93 is: 13,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,799.88 : 53,699.82 = 9,145.93 : x
  2. Step 2: Convert to fraction form
    35,799.88/53,699.82 = 9,145.93/x
  3. Step 3: Cross multiply
    35,799.88x = 53,699.82 × 9,145.93
  4. Step 4: Simplify right side
    35,799.88x = 491,134,506.76
  5. Step 5: Solve for x
    x = 491,134,506.76/35,799.88
  6. Step 6: Final answer
    x = 13,718.89

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Similar ratio
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1.5x scale

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.