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Finding the Fourth Proportional to 44,641.76, 66,962.64 and 16,939.76

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Solution

The fourth proportional to 44,641.76, 66,962.64 and 16,939.76 is: 25,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,641.76 : 66,962.64 = 16,939.76 : x
  2. Step 2: Convert to fraction form
    44,641.76/66,962.64 = 16,939.76/x
  3. Step 3: Cross multiply
    44,641.76x = 66,962.64 × 16,939.76
  4. Step 4: Simplify right side
    44,641.76x = 1,134,331,050.57
  5. Step 5: Solve for x
    x = 1,134,331,050.57/44,641.76
  6. Step 6: Final answer
    x = 25,409.64

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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.