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Finding the Fourth Proportional to 62,782.80, 94,271.40 and 48,008.40

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Solution

The fourth proportional to 62,782.80, 94,271.40 and 48,008.40 is: 72,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,782.80 : 94,271.40 = 48,008.40 : x
  2. Step 2: Convert to fraction form
    62,782.80/94,271.40 = 48,008.40/x
  3. Step 3: Cross multiply
    62,782.80x = 94,271.40 × 48,008.40
  4. Step 4: Simplify right side
    62,782.80x = 4,525,819,079.76
  5. Step 5: Solve for x
    x = 4,525,819,079.76/62,782.80
  6. Step 6: Final answer
    x = 72,086.93

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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.