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Finding the Fourth Proportional to 30,941.04, 46,411.08 and 9,880.95

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Solution

The fourth proportional to 30,941.04, 46,411.08 and 9,880.95 is: 14,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.04 : 46,411.08 = 9,880.95 : x
  2. Step 2: Convert to fraction form
    30,941.04/46,411.08 = 9,880.95/x
  3. Step 3: Cross multiply
    30,941.04x = 46,411.08 × 9,880.95
  4. Step 4: Simplify right side
    30,941.04x = 458,585,560.93
  5. Step 5: Solve for x
    x = 458,585,560.93/30,941.04
  6. Step 6: Final answer
    x = 14,821.27

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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.