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Finding the Fourth Proportional to 66,890.63, 92,240.16 and 46,740.16

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Solution

The fourth proportional to 66,890.63, 92,240.16 and 46,740.16 is: 64,453.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,890.63 : 92,240.16 = 46,740.16 : x
  2. Step 2: Convert to fraction form
    66,890.63/92,240.16 = 46,740.16/x
  3. Step 3: Cross multiply
    66,890.63x = 92,240.16 × 46,740.16
  4. Step 4: Simplify right side
    66,890.63x = 4,311,319,836.83
  5. Step 5: Solve for x
    x = 4,311,319,836.83/66,890.63
  6. Step 6: Final answer
    x = 64,453.27

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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.