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Finding the Fourth Proportional to 46,623.40, 70,107.90 and 39,020.20

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Solution

The fourth proportional to 46,623.40, 70,107.90 and 39,020.20 is: 58,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,623.40 : 70,107.90 = 39,020.20 : x
  2. Step 2: Convert to fraction form
    46,623.40/70,107.90 = 39,020.20/x
  3. Step 3: Cross multiply
    46,623.40x = 70,107.90 × 39,020.20
  4. Step 4: Simplify right side
    46,623.40x = 2,735,624,279.58
  5. Step 5: Solve for x
    x = 2,735,624,279.58/46,623.40
  6. Step 6: Final answer
    x = 58,674.92

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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.