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Finding the Fourth Proportional to 46,755.60, 70,108.47 and 20,429.52

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Solution

The fourth proportional to 46,755.60, 70,108.47 and 20,429.52 is: 30,633.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,755.60 : 70,108.47 = 20,429.52 : x
  2. Step 2: Convert to fraction form
    46,755.60/70,108.47 = 20,429.52/x
  3. Step 3: Cross multiply
    46,755.60x = 70,108.47 × 20,429.52
  4. Step 4: Simplify right side
    46,755.60x = 1,432,282,390.03
  5. Step 5: Solve for x
    x = 1,432,282,390.03/46,755.60
  6. Step 6: Final answer
    x = 30,633.39

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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.