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Finding the Fourth Proportional to 84,411, 116,490.84 and 46,685.28

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Solution

The fourth proportional to 84,411, 116,490.84 and 46,685.28 is: 64,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,411 : 116,490.84 = 46,685.28 : x
  2. Step 2: Convert to fraction form
    84,411/116,490.84 = 46,685.28/x
  3. Step 3: Cross multiply
    84,411x = 116,490.84 × 46,685.28
  4. Step 4: Simplify right side
    84,411x = 5,438,407,482.84
  5. Step 5: Solve for x
    x = 5,438,407,482.84/84,411
  6. Step 6: Final answer
    x = 64,427.71

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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.