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Finding the Fourth Proportional to 25,316.40, 35,494.80 and 25,316.40

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Solution

The fourth proportional to 25,316.40, 35,494.80 and 25,316.40 is: 35,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.40 : 35,494.80 = 25,316.40 : x
  2. Step 2: Convert to fraction form
    25,316.40/35,494.80 = 25,316.40/x
  3. Step 3: Cross multiply
    25,316.40x = 35,494.80 × 25,316.40
  4. Step 4: Simplify right side
    25,316.40x = 898,600,554.72
  5. Step 5: Solve for x
    x = 898,600,554.72/25,316.40
  6. Step 6: Final answer
    x = 35,494.80

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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.