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Finding the Fourth Proportional to 44,300.80, 66,374.40 and 28,710.40

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Solution

The fourth proportional to 44,300.80, 66,374.40 and 28,710.40 is: 43,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,300.80 : 66,374.40 = 28,710.40 : x
  2. Step 2: Convert to fraction form
    44,300.80/66,374.40 = 28,710.40/x
  3. Step 3: Cross multiply
    44,300.80x = 66,374.40 × 28,710.40
  4. Step 4: Simplify right side
    44,300.80x = 1,905,635,573.76
  5. Step 5: Solve for x
    x = 1,905,635,573.76/44,300.80
  6. Step 6: Final answer
    x = 43,015.83

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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.