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Finding the Fourth Proportional to 57,476.16, 86,240.16 and 26,320.32

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Solution

The fourth proportional to 57,476.16, 86,240.16 and 26,320.32 is: 39,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,476.16 : 86,240.16 = 26,320.32 : x
  2. Step 2: Convert to fraction form
    57,476.16/86,240.16 = 26,320.32/x
  3. Step 3: Cross multiply
    57,476.16x = 86,240.16 × 26,320.32
  4. Step 4: Simplify right side
    57,476.16x = 2,269,868,608.05
  5. Step 5: Solve for x
    x = 2,269,868,608.05/57,476.16
  6. Step 6: Final answer
    x = 39,492.35

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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.