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Finding the Fourth Proportional to 84,020.64, 115,943.04 and 46,294.89

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Solution

The fourth proportional to 84,020.64, 115,943.04 and 46,294.89 is: 63,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,020.64 : 115,943.04 = 46,294.89 : x
  2. Step 2: Convert to fraction form
    84,020.64/115,943.04 = 46,294.89/x
  3. Step 3: Cross multiply
    84,020.64x = 115,943.04 × 46,294.89
  4. Step 4: Simplify right side
    84,020.64x = 5,367,570,283.07
  5. Step 5: Solve for x
    x = 5,367,570,283.07/84,020.64
  6. Step 6: Final answer
    x = 63,883.95

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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.