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Finding the Fourth Proportional to 30,835.32, 46,244.58 and 8,647.32

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Solution

The fourth proportional to 30,835.32, 46,244.58 and 8,647.32 is: 12,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835.32 : 46,244.58 = 8,647.32 : x
  2. Step 2: Convert to fraction form
    30,835.32/46,244.58 = 8,647.32/x
  3. Step 3: Cross multiply
    30,835.32x = 46,244.58 × 8,647.32
  4. Step 4: Simplify right side
    30,835.32x = 399,891,681.53
  5. Step 5: Solve for x
    x = 399,891,681.53/30,835.32
  6. Step 6: Final answer
    x = 12,968.62

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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.