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Finding the Fourth Proportional to 77,008.69, 106,240.37 and 46,789.13

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Solution

The fourth proportional to 77,008.69, 106,240.37 and 46,789.13 is: 64,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,008.69 : 106,240.37 = 46,789.13 : x
  2. Step 2: Convert to fraction form
    77,008.69/106,240.37 = 46,789.13/x
  3. Step 3: Cross multiply
    77,008.69x = 106,240.37 × 46,789.13
  4. Step 4: Simplify right side
    77,008.69x = 4,970,894,483.18
  5. Step 5: Solve for x
    x = 4,970,894,483.18/77,008.69
  6. Step 6: Final answer
    x = 64,549.79

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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.