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Finding the Fourth Proportional to 30,902.94, 46,349.48 and 9,840.24

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Solution

The fourth proportional to 30,902.94, 46,349.48 and 9,840.24 is: 14,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,902.94 : 46,349.48 = 9,840.24 : x
  2. Step 2: Convert to fraction form
    30,902.94/46,349.48 = 9,840.24/x
  3. Step 3: Cross multiply
    30,902.94x = 46,349.48 × 9,840.24
  4. Step 4: Simplify right side
    30,902.94x = 456,090,007.08
  5. Step 5: Solve for x
    x = 456,090,007.08/30,902.94
  6. Step 6: Final answer
    x = 14,758.79

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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.