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Finding the Fourth Proportional to 60,768.80, 91,153.20 and 16,402.40

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Solution

The fourth proportional to 60,768.80, 91,153.20 and 16,402.40 is: 24,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,768.80 : 91,153.20 = 16,402.40 : x
  2. Step 2: Convert to fraction form
    60,768.80/91,153.20 = 16,402.40/x
  3. Step 3: Cross multiply
    60,768.80x = 91,153.20 × 16,402.40
  4. Step 4: Simplify right side
    60,768.80x = 1,495,131,247.68
  5. Step 5: Solve for x
    x = 1,495,131,247.68/60,768.80
  6. Step 6: Final answer
    x = 24,603.60

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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.