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Finding the Fourth Proportional to 11,636.70, 16,068.35 and 10,792.50

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Solution

The fourth proportional to 11,636.70, 16,068.35 and 10,792.50 is: 14,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,636.70 : 16,068.35 = 10,792.50 : x
  2. Step 2: Convert to fraction form
    11,636.70/16,068.35 = 10,792.50/x
  3. Step 3: Cross multiply
    11,636.70x = 16,068.35 × 10,792.50
  4. Step 4: Simplify right side
    11,636.70x = 173,417,613.41
  5. Step 5: Solve for x
    x = 173,417,613.41/11,636.70
  6. Step 6: Final answer
    x = 14,902.65

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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.