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Finding the Fourth Proportional to 35,459.58, 53,173.02 and 10,490.70

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Solution

The fourth proportional to 35,459.58, 53,173.02 and 10,490.70 is: 15,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,459.58 : 53,173.02 = 10,490.70 : x
  2. Step 2: Convert to fraction form
    35,459.58/53,173.02 = 10,490.70/x
  3. Step 3: Cross multiply
    35,459.58x = 53,173.02 × 10,490.70
  4. Step 4: Simplify right side
    35,459.58x = 557,822,200.91
  5. Step 5: Solve for x
    x = 557,822,200.91/35,459.58
  6. Step 6: Final answer
    x = 15,731.21

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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.