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Finding the Fourth Proportional to 60,953.64, 91,430.45 and 25,868.69

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Solution

The fourth proportional to 60,953.64, 91,430.45 and 25,868.69 is: 38,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,953.64 : 91,430.45 = 25,868.69 : x
  2. Step 2: Convert to fraction form
    60,953.64/91,430.45 = 25,868.69/x
  3. Step 3: Cross multiply
    60,953.64x = 91,430.45 × 25,868.69
  4. Step 4: Simplify right side
    60,953.64x = 2,365,185,967.61
  5. Step 5: Solve for x
    x = 2,365,185,967.61/60,953.64
  6. Step 6: Final answer
    x = 38,803.03

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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.