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Finding the Fourth Proportional to 62,912.08, 94,368.12 and 21,358

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Solution

The fourth proportional to 62,912.08, 94,368.12 and 21,358 is: 32,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,912.08 : 94,368.12 = 21,358 : x
  2. Step 2: Convert to fraction form
    62,912.08/94,368.12 = 21,358/x
  3. Step 3: Cross multiply
    62,912.08x = 94,368.12 × 21,358
  4. Step 4: Simplify right side
    62,912.08x = 2,015,514,306.96
  5. Step 5: Solve for x
    x = 2,015,514,306.96/62,912.08
  6. Step 6: Final answer
    x = 32,037.00

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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.