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Finding the Fourth Proportional to 68,586.80, 94,631.54 and 47,083.13

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Solution

The fourth proportional to 68,586.80, 94,631.54 and 47,083.13 is: 64,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,586.80 : 94,631.54 = 47,083.13 : x
  2. Step 2: Convert to fraction form
    68,586.80/94,631.54 = 47,083.13/x
  3. Step 3: Cross multiply
    68,586.80x = 94,631.54 × 47,083.13
  4. Step 4: Simplify right side
    68,586.80x = 4,455,548,391.35
  5. Step 5: Solve for x
    x = 4,455,548,391.35/68,586.80
  6. Step 6: Final answer
    x = 64,962.18

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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.