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Finding the Fourth Proportional to 29,256.40, 40,881.20 and 29,256.40

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Solution

The fourth proportional to 29,256.40, 40,881.20 and 29,256.40 is: 40,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,256.40 : 40,881.20 = 29,256.40 : x
  2. Step 2: Convert to fraction form
    29,256.40/40,881.20 = 29,256.40/x
  3. Step 3: Cross multiply
    29,256.40x = 40,881.20 × 29,256.40
  4. Step 4: Simplify right side
    29,256.40x = 1,196,036,739.68
  5. Step 5: Solve for x
    x = 1,196,036,739.68/29,256.40
  6. Step 6: Final answer
    x = 40,881.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.