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Finding the Fourth Proportional to 25,893.70, 38,624.81 and 25,465.01

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Solution

The fourth proportional to 25,893.70, 38,624.81 and 25,465.01 is: 37,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,893.70 : 38,624.81 = 25,465.01 : x
  2. Step 2: Convert to fraction form
    25,893.70/38,624.81 = 25,465.01/x
  3. Step 3: Cross multiply
    25,893.70x = 38,624.81 × 25,465.01
  4. Step 4: Simplify right side
    25,893.70x = 983,580,852.45
  5. Step 5: Solve for x
    x = 983,580,852.45/25,893.70
  6. Step 6: Final answer
    x = 37,985.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.