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Finding the Fourth Proportional to 84,070.64, 116,022.84 and 46,348.40

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Solution

The fourth proportional to 84,070.64, 116,022.84 and 46,348.40 is: 63,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,070.64 : 116,022.84 = 46,348.40 : x
  2. Step 2: Convert to fraction form
    84,070.64/116,022.84 = 46,348.40/x
  3. Step 3: Cross multiply
    84,070.64x = 116,022.84 × 46,348.40
  4. Step 4: Simplify right side
    84,070.64x = 5,377,472,997.46
  5. Step 5: Solve for x
    x = 5,377,472,997.46/84,070.64
  6. Step 6: Final answer
    x = 63,963.75

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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.