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Finding the Fourth Proportional to 25,412.01, 35,065.76 and 14,078.49

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Solution

The fourth proportional to 25,412.01, 35,065.76 and 14,078.49 is: 19,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,412.01 : 35,065.76 = 14,078.49 : x
  2. Step 2: Convert to fraction form
    25,412.01/35,065.76 = 14,078.49/x
  3. Step 3: Cross multiply
    25,412.01x = 35,065.76 × 14,078.49
  4. Step 4: Simplify right side
    25,412.01x = 493,672,881.11
  5. Step 5: Solve for x
    x = 493,672,881.11/25,412.01
  6. Step 6: Final answer
    x = 19,426.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.