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Finding the Fourth Proportional to 25,125.56, 37,688.58 and 6,657.56

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Solution

The fourth proportional to 25,125.56, 37,688.58 and 6,657.56 is: 9,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.56 : 37,688.58 = 6,657.56 : x
  2. Step 2: Convert to fraction form
    25,125.56/37,688.58 = 6,657.56/x
  3. Step 3: Cross multiply
    25,125.56x = 37,688.58 × 6,657.56
  4. Step 4: Simplify right side
    25,125.56x = 250,913,982.66
  5. Step 5: Solve for x
    x = 250,913,982.66/25,125.56
  6. Step 6: Final answer
    x = 9,986.40

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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.