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Finding the Fourth Proportional to 66,957.12, 100,450.88 and 22,582.40

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Solution

The fourth proportional to 66,957.12, 100,450.88 and 22,582.40 is: 33,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,957.12 : 100,450.88 = 22,582.40 : x
  2. Step 2: Convert to fraction form
    66,957.12/100,450.88 = 22,582.40/x
  3. Step 3: Cross multiply
    66,957.12x = 100,450.88 × 22,582.40
  4. Step 4: Simplify right side
    66,957.12x = 2,268,421,952.51
  5. Step 5: Solve for x
    x = 2,268,421,952.51/66,957.12
  6. Step 6: Final answer
    x = 33,878.73

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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.