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Finding the Fourth Proportional to 84,820.50, 117,053.82 and 46,583.64

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Solution

The fourth proportional to 84,820.50, 117,053.82 and 46,583.64 is: 64,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,820.50 : 117,053.82 = 46,583.64 : x
  2. Step 2: Convert to fraction form
    84,820.50/117,053.82 = 46,583.64/x
  3. Step 3: Cross multiply
    84,820.50x = 117,053.82 × 46,583.64
  4. Step 4: Simplify right side
    84,820.50x = 5,452,793,011.50
  5. Step 5: Solve for x
    x = 5,452,793,011.50/84,820.50
  6. Step 6: Final answer
    x = 64,286.26

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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.