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Finding the Fourth Proportional to 84,503.91, 116,621.33 and 46,780.59

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Solution

The fourth proportional to 84,503.91, 116,621.33 and 46,780.59 is: 64,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,503.91 : 116,621.33 = 46,780.59 : x
  2. Step 2: Convert to fraction form
    84,503.91/116,621.33 = 46,780.59/x
  3. Step 3: Cross multiply
    84,503.91x = 116,621.33 × 46,780.59
  4. Step 4: Simplify right side
    84,503.91x = 5,455,614,390.08
  5. Step 5: Solve for x
    x = 5,455,614,390.08/84,503.91
  6. Step 6: Final answer
    x = 64,560.50

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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.