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Finding the Fourth Proportional to 30,855.79, 46,283.69 and 7,482.22

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Solution

The fourth proportional to 30,855.79, 46,283.69 and 7,482.22 is: 11,223.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.79 : 46,283.69 = 7,482.22 : x
  2. Step 2: Convert to fraction form
    30,855.79/46,283.69 = 7,482.22/x
  3. Step 3: Cross multiply
    30,855.79x = 46,283.69 × 7,482.22
  4. Step 4: Simplify right side
    30,855.79x = 346,304,750.99
  5. Step 5: Solve for x
    x = 346,304,750.99/30,855.79
  6. Step 6: Final answer
    x = 11,223.33

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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.