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Finding the Fourth Proportional to 52,492.56, 72,439.04 and 28,619.19

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Solution

The fourth proportional to 52,492.56, 72,439.04 and 28,619.19 is: 39,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,492.56 : 72,439.04 = 28,619.19 : x
  2. Step 2: Convert to fraction form
    52,492.56/72,439.04 = 28,619.19/x
  3. Step 3: Cross multiply
    52,492.56x = 72,439.04 × 28,619.19
  4. Step 4: Simplify right side
    52,492.56x = 2,073,146,506.08
  5. Step 5: Solve for x
    x = 2,073,146,506.08/52,492.56
  6. Step 6: Final answer
    x = 39,494.10

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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.