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Finding the Fourth Proportional to 32,642.63, 45,048.65 and 18,500.03

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Solution

The fourth proportional to 32,642.63, 45,048.65 and 18,500.03 is: 25,531.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,642.63 : 45,048.65 = 18,500.03 : x
  2. Step 2: Convert to fraction form
    32,642.63/45,048.65 = 18,500.03/x
  3. Step 3: Cross multiply
    32,642.63x = 45,048.65 × 18,500.03
  4. Step 4: Simplify right side
    32,642.63x = 833,401,058.72
  5. Step 5: Solve for x
    x = 833,401,058.72/32,642.63
  6. Step 6: Final answer
    x = 25,531.07

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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.