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Finding the Fourth Proportional to 84,648.80, 116,814.56 and 46,410.47

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Solution

The fourth proportional to 84,648.80, 116,814.56 and 46,410.47 is: 64,046.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,648.80 : 116,814.56 = 46,410.47 : x
  2. Step 2: Convert to fraction form
    84,648.80/116,814.56 = 46,410.47/x
  3. Step 3: Cross multiply
    84,648.80x = 116,814.56 × 46,410.47
  4. Step 4: Simplify right side
    84,648.80x = 5,421,418,254.37
  5. Step 5: Solve for x
    x = 5,421,418,254.37/84,648.80
  6. Step 6: Final answer
    x = 64,046.02

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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.