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Finding the Fourth Proportional to 61,392.50, 92,088.78 and 27,619.07

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Solution

The fourth proportional to 61,392.50, 92,088.78 and 27,619.07 is: 41,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,392.50 : 92,088.78 = 27,619.07 : x
  2. Step 2: Convert to fraction form
    61,392.50/92,088.78 = 27,619.07/x
  3. Step 3: Cross multiply
    61,392.50x = 92,088.78 × 27,619.07
  4. Step 4: Simplify right side
    61,392.50x = 2,543,406,461.03
  5. Step 5: Solve for x
    x = 2,543,406,461.03/61,392.50
  6. Step 6: Final answer
    x = 41,428.62

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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.