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Finding the Fourth Proportional to 28,823.04, 39,754.80 and 22,032.41

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Solution

The fourth proportional to 28,823.04, 39,754.80 and 22,032.41 is: 30,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.04 : 39,754.80 = 22,032.41 : x
  2. Step 2: Convert to fraction form
    28,823.04/39,754.80 = 22,032.41/x
  3. Step 3: Cross multiply
    28,823.04x = 39,754.80 × 22,032.41
  4. Step 4: Simplify right side
    28,823.04x = 875,893,854.29
  5. Step 5: Solve for x
    x = 875,893,854.29/28,823.04
  6. Step 6: Final answer
    x = 30,388.67

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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.