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Finding the Fourth Proportional to 44,477.20, 66,715.80 and 34,646.80

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Solution

The fourth proportional to 44,477.20, 66,715.80 and 34,646.80 is: 51,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,477.20 : 66,715.80 = 34,646.80 : x
  2. Step 2: Convert to fraction form
    44,477.20/66,715.80 = 34,646.80/x
  3. Step 3: Cross multiply
    44,477.20x = 66,715.80 × 34,646.80
  4. Step 4: Simplify right side
    44,477.20x = 2,311,488,979.44
  5. Step 5: Solve for x
    x = 2,311,488,979.44/44,477.20
  6. Step 6: Final answer
    x = 51,970.20

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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.