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Finding the Fourth Proportional to 48,666.90, 67,160.34 and 26,310.90

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Solution

The fourth proportional to 48,666.90, 67,160.34 and 26,310.90 is: 36,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,666.90 : 67,160.34 = 26,310.90 : x
  2. Step 2: Convert to fraction form
    48,666.90/67,160.34 = 26,310.90/x
  3. Step 3: Cross multiply
    48,666.90x = 67,160.34 × 26,310.90
  4. Step 4: Simplify right side
    48,666.90x = 1,767,048,989.71
  5. Step 5: Solve for x
    x = 1,767,048,989.71/48,666.90
  6. Step 6: Final answer
    x = 36,309.05

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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.