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Finding the Fourth Proportional to 36,304.80, 54,457.20 and 36,045.60

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Solution

The fourth proportional to 36,304.80, 54,457.20 and 36,045.60 is: 54,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,304.80 : 54,457.20 = 36,045.60 : x
  2. Step 2: Convert to fraction form
    36,304.80/54,457.20 = 36,045.60/x
  3. Step 3: Cross multiply
    36,304.80x = 54,457.20 × 36,045.60
  4. Step 4: Simplify right side
    36,304.80x = 1,962,942,448.32
  5. Step 5: Solve for x
    x = 1,962,942,448.32/36,304.80
  6. Step 6: Final answer
    x = 54,068.40

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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.