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Finding the Fourth Proportional to 46,861.99, 70,293.26 and 19,159.99

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Solution

The fourth proportional to 46,861.99, 70,293.26 and 19,159.99 is: 28,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,861.99 : 70,293.26 = 19,159.99 : x
  2. Step 2: Convert to fraction form
    46,861.99/70,293.26 = 19,159.99/x
  3. Step 3: Cross multiply
    46,861.99x = 70,293.26 × 19,159.99
  4. Step 4: Simplify right side
    46,861.99x = 1,346,818,062.87
  5. Step 5: Solve for x
    x = 1,346,818,062.87/46,861.99
  6. Step 6: Final answer
    x = 28,740.10

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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.