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Finding the Fourth Proportional to 30,959.01, 46,438.72 and 7,585.45

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Solution

The fourth proportional to 30,959.01, 46,438.72 and 7,585.45 is: 11,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,959.01 : 46,438.72 = 7,585.45 : x
  2. Step 2: Convert to fraction form
    30,959.01/46,438.72 = 7,585.45/x
  3. Step 3: Cross multiply
    30,959.01x = 46,438.72 × 7,585.45
  4. Step 4: Simplify right side
    30,959.01x = 352,258,453.56
  5. Step 5: Solve for x
    x = 352,258,453.56/30,959.01
  6. Step 6: Final answer
    x = 11,378.22

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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.