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Finding the Fourth Proportional to 66,779.65, 92,153.06 and 36,564.42

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Solution

The fourth proportional to 66,779.65, 92,153.06 and 36,564.42 is: 50,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,779.65 : 92,153.06 = 36,564.42 : x
  2. Step 2: Convert to fraction form
    66,779.65/92,153.06 = 36,564.42/x
  3. Step 3: Cross multiply
    66,779.65x = 92,153.06 × 36,564.42
  4. Step 4: Simplify right side
    66,779.65x = 3,369,523,007.30
  5. Step 5: Solve for x
    x = 3,369,523,007.30/66,779.65
  6. Step 6: Final answer
    x = 50,457.33

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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.