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Finding the Fourth Proportional to 84,019.95, 115,946.24 and 46,295.55

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Solution

The fourth proportional to 84,019.95, 115,946.24 and 46,295.55 is: 63,887.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,019.95 : 115,946.24 = 46,295.55 : x
  2. Step 2: Convert to fraction form
    84,019.95/115,946.24 = 46,295.55/x
  3. Step 3: Cross multiply
    84,019.95x = 115,946.24 × 46,295.55
  4. Step 4: Simplify right side
    84,019.95x = 5,367,794,719.75
  5. Step 5: Solve for x
    x = 5,367,794,719.75/84,019.95
  6. Step 6: Final answer
    x = 63,887.14

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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.