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Finding the Fourth Proportional to 49,655.52, 68,445.72 and 39,026.88

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Solution

The fourth proportional to 49,655.52, 68,445.72 and 39,026.88 is: 53,795.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,655.52 : 68,445.72 = 39,026.88 : x
  2. Step 2: Convert to fraction form
    49,655.52/68,445.72 = 39,026.88/x
  3. Step 3: Cross multiply
    49,655.52x = 68,445.72 × 39,026.88
  4. Step 4: Simplify right side
    49,655.52x = 2,671,222,900.95
  5. Step 5: Solve for x
    x = 2,671,222,900.95/49,655.52
  6. Step 6: Final answer
    x = 53,795.08

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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.