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Finding the Fourth Proportional to 26,782.43, 40,173.95 and 9,248.16

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Solution

The fourth proportional to 26,782.43, 40,173.95 and 9,248.16 is: 13,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,782.43 : 40,173.95 = 9,248.16 : x
  2. Step 2: Convert to fraction form
    26,782.43/40,173.95 = 9,248.16/x
  3. Step 3: Cross multiply
    26,782.43x = 40,173.95 × 9,248.16
  4. Step 4: Simplify right side
    26,782.43x = 371,535,071.19
  5. Step 5: Solve for x
    x = 371,535,071.19/26,782.43
  6. Step 6: Final answer
    x = 13,872.35

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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.