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Finding the Fourth Proportional to 30,026.36, 45,040.08 and 9,250.04

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Solution

The fourth proportional to 30,026.36, 45,040.08 and 9,250.04 is: 13,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,026.36 : 45,040.08 = 9,250.04 : x
  2. Step 2: Convert to fraction form
    30,026.36/45,040.08 = 9,250.04/x
  3. Step 3: Cross multiply
    30,026.36x = 45,040.08 × 9,250.04
  4. Step 4: Simplify right side
    30,026.36x = 416,622,541.60
  5. Step 5: Solve for x
    x = 416,622,541.60/30,026.36
  6. Step 6: Final answer
    x = 13,875.23

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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.