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Finding the Fourth Proportional to 45,188, 62,360.40 and 25,316

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Solution

The fourth proportional to 45,188, 62,360.40 and 25,316 is: 34,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188 : 62,360.40 = 25,316 : x
  2. Step 2: Convert to fraction form
    45,188/62,360.40 = 25,316/x
  3. Step 3: Cross multiply
    45,188x = 62,360.40 × 25,316
  4. Step 4: Simplify right side
    45,188x = 1,578,715,886.40
  5. Step 5: Solve for x
    x = 1,578,715,886.40/45,188
  6. Step 6: Final answer
    x = 34,936.62

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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.