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Finding the Fourth Proportional to 65,492.50, 90,394.23 and 41,614.51

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Solution

The fourth proportional to 65,492.50, 90,394.23 and 41,614.51 is: 57,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,492.50 : 90,394.23 = 41,614.51 : x
  2. Step 2: Convert to fraction form
    65,492.50/90,394.23 = 41,614.51/x
  3. Step 3: Cross multiply
    65,492.50x = 90,394.23 × 41,614.51
  4. Step 4: Simplify right side
    65,492.50x = 3,761,711,588.28
  5. Step 5: Solve for x
    x = 3,761,711,588.28/65,492.50
  6. Step 6: Final answer
    x = 57,437.29

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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.