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Finding the Fourth Proportional to 43,653.59, 65,492.47 and 17,376.78

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Solution

The fourth proportional to 43,653.59, 65,492.47 and 17,376.78 is: 26,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,653.59 : 65,492.47 = 17,376.78 : x
  2. Step 2: Convert to fraction form
    43,653.59/65,492.47 = 17,376.78/x
  3. Step 3: Cross multiply
    43,653.59x = 65,492.47 × 17,376.78
  4. Step 4: Simplify right side
    43,653.59x = 1,138,048,155.96
  5. Step 5: Solve for x
    x = 1,138,048,155.96/43,653.59
  6. Step 6: Final answer
    x = 26,069.98

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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.