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Finding the Fourth Proportional to 84,646.88, 116,806.60 and 46,400.32

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Solution

The fourth proportional to 84,646.88, 116,806.60 and 46,400.32 is: 64,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,646.88 : 116,806.60 = 46,400.32 : x
  2. Step 2: Convert to fraction form
    84,646.88/116,806.60 = 46,400.32/x
  3. Step 3: Cross multiply
    84,646.88x = 116,806.60 × 46,400.32
  4. Step 4: Simplify right side
    84,646.88x = 5,419,863,618.11
  5. Step 5: Solve for x
    x = 5,419,863,618.11/84,646.88
  6. Step 6: Final answer
    x = 64,029.10

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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.