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Finding the Fourth Proportional to 32,658.86, 45,069.51 and 18,509.06

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Solution

The fourth proportional to 32,658.86, 45,069.51 and 18,509.06 is: 25,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,658.86 : 45,069.51 = 18,509.06 : x
  2. Step 2: Convert to fraction form
    32,658.86/45,069.51 = 18,509.06/x
  3. Step 3: Cross multiply
    32,658.86x = 45,069.51 × 18,509.06
  4. Step 4: Simplify right side
    32,658.86x = 834,194,264.76
  5. Step 5: Solve for x
    x = 834,194,264.76/32,658.86
  6. Step 6: Final answer
    x = 25,542.66

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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.