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Finding the Fourth Proportional to 61,446.21, 84,750.50 and 46,339.51

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Solution

The fourth proportional to 61,446.21, 84,750.50 and 46,339.51 is: 63,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,446.21 : 84,750.50 = 46,339.51 : x
  2. Step 2: Convert to fraction form
    61,446.21/84,750.50 = 46,339.51/x
  3. Step 3: Cross multiply
    61,446.21x = 84,750.50 × 46,339.51
  4. Step 4: Simplify right side
    61,446.21x = 3,927,296,642.26
  5. Step 5: Solve for x
    x = 3,927,296,642.26/61,446.21
  6. Step 6: Final answer
    x = 63,914.38

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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.