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Finding the Fourth Proportional to 84,007.70, 115,929.33 and 46,283.30

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Solution

The fourth proportional to 84,007.70, 115,929.33 and 46,283.30 is: 63,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,007.70 : 115,929.33 = 46,283.30 : x
  2. Step 2: Convert to fraction form
    84,007.70/115,929.33 = 46,283.30/x
  3. Step 3: Cross multiply
    84,007.70x = 115,929.33 × 46,283.30
  4. Step 4: Simplify right side
    84,007.70x = 5,365,591,959.19
  5. Step 5: Solve for x
    x = 5,365,591,959.19/84,007.70
  6. Step 6: Final answer
    x = 63,870.24

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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.