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Finding the Fourth Proportional to 53,492.16, 80,253.23 and 21,493.70

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Solution

The fourth proportional to 53,492.16, 80,253.23 and 21,493.70 is: 32,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,492.16 : 80,253.23 = 21,493.70 : x
  2. Step 2: Convert to fraction form
    53,492.16/80,253.23 = 21,493.70/x
  3. Step 3: Cross multiply
    53,492.16x = 80,253.23 × 21,493.70
  4. Step 4: Simplify right side
    53,492.16x = 1,724,938,502.12
  5. Step 5: Solve for x
    x = 1,724,938,502.12/53,492.16
  6. Step 6: Final answer
    x = 32,246.57

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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.