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Finding the Fourth Proportional to 61,275.99, 84,582.99 and 46,211.79

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Solution

The fourth proportional to 61,275.99, 84,582.99 and 46,211.79 is: 63,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,275.99 : 84,582.99 = 46,211.79 : x
  2. Step 2: Convert to fraction form
    61,275.99/84,582.99 = 46,211.79/x
  3. Step 3: Cross multiply
    61,275.99x = 84,582.99 × 46,211.79
  4. Step 4: Simplify right side
    61,275.99x = 3,908,731,371.45
  5. Step 5: Solve for x
    x = 3,908,731,371.45/61,275.99
  6. Step 6: Final answer
    x = 63,788.96

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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.