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Finding the Fourth Proportional to 32,763.84, 45,203.72 and 19,339.72

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Solution

The fourth proportional to 32,763.84, 45,203.72 and 19,339.72 is: 26,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,763.84 : 45,203.72 = 19,339.72 : x
  2. Step 2: Convert to fraction form
    32,763.84/45,203.72 = 19,339.72/x
  3. Step 3: Cross multiply
    32,763.84x = 45,203.72 × 19,339.72
  4. Step 4: Simplify right side
    32,763.84x = 874,227,287.76
  5. Step 5: Solve for x
    x = 874,227,287.76/32,763.84
  6. Step 6: Final answer
    x = 26,682.69

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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.