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Finding the Fourth Proportional to 32,345.65, 44,635.12 and 18,197.65

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Solution

The fourth proportional to 32,345.65, 44,635.12 and 18,197.65 is: 25,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,345.65 : 44,635.12 = 18,197.65 : x
  2. Step 2: Convert to fraction form
    32,345.65/44,635.12 = 18,197.65/x
  3. Step 3: Cross multiply
    32,345.65x = 44,635.12 × 18,197.65
  4. Step 4: Simplify right side
    32,345.65x = 812,254,291.47
  5. Step 5: Solve for x
    x = 812,254,291.47/32,345.65
  6. Step 6: Final answer
    x = 25,111.70

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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.