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Finding the Fourth Proportional to 25,973.40, 38,969.70 and 25,013.40

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Solution

The fourth proportional to 25,973.40, 38,969.70 and 25,013.40 is: 37,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,973.40 : 38,969.70 = 25,013.40 : x
  2. Step 2: Convert to fraction form
    25,973.40/38,969.70 = 25,013.40/x
  3. Step 3: Cross multiply
    25,973.40x = 38,969.70 × 25,013.40
  4. Step 4: Simplify right side
    25,973.40x = 974,764,693.98
  5. Step 5: Solve for x
    x = 974,764,693.98/25,973.40
  6. Step 6: Final answer
    x = 37,529.35

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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.