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Finding the Fourth Proportional to 60,898.80, 84,040.80 and 34,042.40

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Solution

The fourth proportional to 60,898.80, 84,040.80 and 34,042.40 is: 46,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,898.80 : 84,040.80 = 34,042.40 : x
  2. Step 2: Convert to fraction form
    60,898.80/84,040.80 = 34,042.40/x
  3. Step 3: Cross multiply
    60,898.80x = 84,040.80 × 34,042.40
  4. Step 4: Simplify right side
    60,898.80x = 2,860,950,529.92
  5. Step 5: Solve for x
    x = 2,860,950,529.92/60,898.80
  6. Step 6: Final answer
    x = 46,978.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.