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Finding the Fourth Proportional to 48,798.50, 67,341.37 and 26,442.50

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Solution

The fourth proportional to 48,798.50, 67,341.37 and 26,442.50 is: 36,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,798.50 : 67,341.37 = 26,442.50 : x
  2. Step 2: Convert to fraction form
    48,798.50/67,341.37 = 26,442.50/x
  3. Step 3: Cross multiply
    48,798.50x = 67,341.37 × 26,442.50
  4. Step 4: Simplify right side
    48,798.50x = 1,780,673,707.31
  5. Step 5: Solve for x
    x = 1,780,673,707.31/48,798.50
  6. Step 6: Final answer
    x = 36,490.34

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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.