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Finding the Fourth Proportional to 26,312.51, 39,468.78 and 7,336.40

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Solution

The fourth proportional to 26,312.51, 39,468.78 and 7,336.40 is: 11,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,312.51 : 39,468.78 = 7,336.40 : x
  2. Step 2: Convert to fraction form
    26,312.51/39,468.78 = 7,336.40/x
  3. Step 3: Cross multiply
    26,312.51x = 39,468.78 × 7,336.40
  4. Step 4: Simplify right side
    26,312.51x = 289,558,560.25
  5. Step 5: Solve for x
    x = 289,558,560.25/26,312.51
  6. Step 6: Final answer
    x = 11,004.60

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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.