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Finding the Fourth Proportional to 92,960.84, 128,285.62 and 52,682.28

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Solution

The fourth proportional to 92,960.84, 128,285.62 and 52,682.28 is: 72,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,960.84 : 128,285.62 = 52,682.28 : x
  2. Step 2: Convert to fraction form
    92,960.84/128,285.62 = 52,682.28/x
  3. Step 3: Cross multiply
    92,960.84x = 128,285.62 × 52,682.28
  4. Step 4: Simplify right side
    92,960.84x = 6,758,378,952.81
  5. Step 5: Solve for x
    x = 6,758,378,952.81/92,960.84
  6. Step 6: Final answer
    x = 72,701.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.