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Finding the Fourth Proportional to 46,756.80, 70,135.20 and 19,048.32

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Solution

The fourth proportional to 46,756.80, 70,135.20 and 19,048.32 is: 28,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,756.80 : 70,135.20 = 19,048.32 : x
  2. Step 2: Convert to fraction form
    46,756.80/70,135.20 = 19,048.32/x
  3. Step 3: Cross multiply
    46,756.80x = 70,135.20 × 19,048.32
  4. Step 4: Simplify right side
    46,756.80x = 1,335,957,732.86
  5. Step 5: Solve for x
    x = 1,335,957,732.86/46,756.80
  6. Step 6: Final answer
    x = 28,572.48

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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.