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Finding the Fourth Proportional to 30,941.42, 46,412.38 and 8,755.52

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Solution

The fourth proportional to 30,941.42, 46,412.38 and 8,755.52 is: 13,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.42 : 46,412.38 = 8,755.52 : x
  2. Step 2: Convert to fraction form
    30,941.42/46,412.38 = 8,755.52/x
  3. Step 3: Cross multiply
    30,941.42x = 46,412.38 × 8,755.52
  4. Step 4: Simplify right side
    30,941.42x = 406,364,521.34
  5. Step 5: Solve for x
    x = 406,364,521.34/30,941.42
  6. Step 6: Final answer
    x = 13,133.35

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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.