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Finding the Fourth Proportional to 30,707, 46,036.02 and 15,918.20

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Solution

The fourth proportional to 30,707, 46,036.02 and 15,918.20 is: 23,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,707 : 46,036.02 = 15,918.20 : x
  2. Step 2: Convert to fraction form
    30,707/46,036.02 = 15,918.20/x
  3. Step 3: Cross multiply
    30,707x = 46,036.02 × 15,918.20
  4. Step 4: Simplify right side
    30,707x = 732,810,573.56
  5. Step 5: Solve for x
    x = 732,810,573.56/30,707
  6. Step 6: Final answer
    x = 23,864.61

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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.