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Finding the Fourth Proportional to 60,492.36, 83,543.22 and 53,895.72

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Solution

The fourth proportional to 60,492.36, 83,543.22 and 53,895.72 is: 74,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,492.36 : 83,543.22 = 53,895.72 : x
  2. Step 2: Convert to fraction form
    60,492.36/83,543.22 = 53,895.72/x
  3. Step 3: Cross multiply
    60,492.36x = 83,543.22 × 53,895.72
  4. Step 4: Simplify right side
    60,492.36x = 4,502,621,993.02
  5. Step 5: Solve for x
    x = 4,502,621,993.02/60,492.36
  6. Step 6: Final answer
    x = 74,432.90

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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.