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Finding the Fourth Proportional to 32,608.08, 45,011.88 and 28,053

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Solution

The fourth proportional to 32,608.08, 45,011.88 and 28,053 is: 38,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,608.08 : 45,011.88 = 28,053 : x
  2. Step 2: Convert to fraction form
    32,608.08/45,011.88 = 28,053/x
  3. Step 3: Cross multiply
    32,608.08x = 45,011.88 × 28,053
  4. Step 4: Simplify right side
    32,608.08x = 1,262,718,269.64
  5. Step 5: Solve for x
    x = 1,262,718,269.64/32,608.08
  6. Step 6: Final answer
    x = 38,724.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.