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Finding the Fourth Proportional to 32,666.34, 48,999.76 and 10,479.74

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Solution

The fourth proportional to 32,666.34, 48,999.76 and 10,479.74 is: 15,719.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,666.34 : 48,999.76 = 10,479.74 : x
  2. Step 2: Convert to fraction form
    32,666.34/48,999.76 = 10,479.74/x
  3. Step 3: Cross multiply
    32,666.34x = 48,999.76 × 10,479.74
  4. Step 4: Simplify right side
    32,666.34x = 513,504,744.86
  5. Step 5: Solve for x
    x = 513,504,744.86/32,666.34
  6. Step 6: Final answer
    x = 15,719.69

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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.