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Finding the Fourth Proportional to 30,700.36, 46,050.36 and 7,904.17

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Solution

The fourth proportional to 30,700.36, 46,050.36 and 7,904.17 is: 11,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,700.36 : 46,050.36 = 7,904.17 : x
  2. Step 2: Convert to fraction form
    30,700.36/46,050.36 = 7,904.17/x
  3. Step 3: Cross multiply
    30,700.36x = 46,050.36 × 7,904.17
  4. Step 4: Simplify right side
    30,700.36x = 363,989,874.00
  5. Step 5: Solve for x
    x = 363,989,874.00/30,700.36
  6. Step 6: Final answer
    x = 11,856.21

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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.