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Finding the Fourth Proportional to 60,465.54, 90,606.03 and 25,386.18

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Solution

The fourth proportional to 60,465.54, 90,606.03 and 25,386.18 is: 38,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,465.54 : 90,606.03 = 25,386.18 : x
  2. Step 2: Convert to fraction form
    60,465.54/90,606.03 = 25,386.18/x
  3. Step 3: Cross multiply
    60,465.54x = 90,606.03 × 25,386.18
  4. Step 4: Simplify right side
    60,465.54x = 2,300,140,986.67
  5. Step 5: Solve for x
    x = 2,300,140,986.67/60,465.54
  6. Step 6: Final answer
    x = 38,040.53

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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.