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Finding the Fourth Proportional to 49,657.98, 74,486.94 and 14,597.64

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Solution

The fourth proportional to 49,657.98, 74,486.94 and 14,597.64 is: 21,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,657.98 : 74,486.94 = 14,597.64 : x
  2. Step 2: Convert to fraction form
    49,657.98/74,486.94 = 14,597.64/x
  3. Step 3: Cross multiply
    49,657.98x = 74,486.94 × 14,597.64
  4. Step 4: Simplify right side
    49,657.98x = 1,087,333,534.82
  5. Step 5: Solve for x
    x = 1,087,333,534.82/49,657.98
  6. Step 6: Final answer
    x = 21,896.45

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1.5x scale

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.