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Finding the Fourth Proportional to 46,710.60, 70,057.80 and 17,113.20

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Solution

The fourth proportional to 46,710.60, 70,057.80 and 17,113.20 is: 25,666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,710.60 : 70,057.80 = 17,113.20 : x
  2. Step 2: Convert to fraction form
    46,710.60/70,057.80 = 17,113.20/x
  3. Step 3: Cross multiply
    46,710.60x = 70,057.80 × 17,113.20
  4. Step 4: Simplify right side
    46,710.60x = 1,198,913,142.96
  5. Step 5: Solve for x
    x = 1,198,913,142.96/46,710.60
  6. Step 6: Final answer
    x = 25,666.83

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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.