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Finding the Fourth Proportional to 82,647.80, 114,051.56 and 46,841.12

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Solution

The fourth proportional to 82,647.80, 114,051.56 and 46,841.12 is: 64,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,647.80 : 114,051.56 = 46,841.12 : x
  2. Step 2: Convert to fraction form
    82,647.80/114,051.56 = 46,841.12/x
  3. Step 3: Cross multiply
    82,647.80x = 114,051.56 × 46,841.12
  4. Step 4: Simplify right side
    82,647.80x = 5,342,302,354.99
  5. Step 5: Solve for x
    x = 5,342,302,354.99/82,647.80
  6. Step 6: Final answer
    x = 64,639.38

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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.