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Finding the Fourth Proportional to 32,379.16, 48,575.64 and 18,345.91

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Solution

The fourth proportional to 32,379.16, 48,575.64 and 18,345.91 is: 27,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,379.16 : 48,575.64 = 18,345.91 : x
  2. Step 2: Convert to fraction form
    32,379.16/48,575.64 = 18,345.91/x
  3. Step 3: Cross multiply
    32,379.16x = 48,575.64 × 18,345.91
  4. Step 4: Simplify right side
    32,379.16x = 891,164,319.63
  5. Step 5: Solve for x
    x = 891,164,319.63/32,379.16
  6. Step 6: Final answer
    x = 27,522.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.