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Finding the Fourth Proportional to 32,436, 48,668.64 and 18,585

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Solution

The fourth proportional to 32,436, 48,668.64 and 18,585 is: 27,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,436 : 48,668.64 = 18,585 : x
  2. Step 2: Convert to fraction form
    32,436/48,668.64 = 18,585/x
  3. Step 3: Cross multiply
    32,436x = 48,668.64 × 18,585
  4. Step 4: Simplify right side
    32,436x = 904,506,674.40
  5. Step 5: Solve for x
    x = 904,506,674.40/32,436
  6. Step 6: Final answer
    x = 27,885.89

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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.