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Finding the Fourth Proportional to 44,678.70, 67,018.05 and 28,932.30

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Solution

The fourth proportional to 44,678.70, 67,018.05 and 28,932.30 is: 43,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,678.70 : 67,018.05 = 28,932.30 : x
  2. Step 2: Convert to fraction form
    44,678.70/67,018.05 = 28,932.30/x
  3. Step 3: Cross multiply
    44,678.70x = 67,018.05 × 28,932.30
  4. Step 4: Simplify right side
    44,678.70x = 1,938,986,328.02
  5. Step 5: Solve for x
    x = 1,938,986,328.02/44,678.70
  6. Step 6: Final answer
    x = 43,398.45

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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.