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Finding the Fourth Proportional to 46,738.98, 70,107.80 and 21,765.06

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Solution

The fourth proportional to 46,738.98, 70,107.80 and 21,765.06 is: 32,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,738.98 : 70,107.80 = 21,765.06 : x
  2. Step 2: Convert to fraction form
    46,738.98/70,107.80 = 21,765.06/x
  3. Step 3: Cross multiply
    46,738.98x = 70,107.80 × 21,765.06
  4. Step 4: Simplify right side
    46,738.98x = 1,525,900,364.64
  5. Step 5: Solve for x
    x = 1,525,900,364.64/46,738.98
  6. Step 6: Final answer
    x = 32,647.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.