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Finding the Fourth Proportional to 77,007.69, 106,238.99 and 46,788.13

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Solution

The fourth proportional to 77,007.69, 106,238.99 and 46,788.13 is: 64,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,007.69 : 106,238.99 = 46,788.13 : x
  2. Step 2: Convert to fraction form
    77,007.69/106,238.99 = 46,788.13/x
  3. Step 3: Cross multiply
    77,007.69x = 106,238.99 × 46,788.13
  4. Step 4: Simplify right side
    77,007.69x = 4,970,723,924.96
  5. Step 5: Solve for x
    x = 4,970,723,924.96/77,007.69
  6. Step 6: Final answer
    x = 64,548.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.