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Finding the Fourth Proportional to 48,668.50, 67,162.53 and 26,312.50

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Solution

The fourth proportional to 48,668.50, 67,162.53 and 26,312.50 is: 36,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,668.50 : 67,162.53 = 26,312.50 : x
  2. Step 2: Convert to fraction form
    48,668.50/67,162.53 = 26,312.50/x
  3. Step 3: Cross multiply
    48,668.50x = 67,162.53 × 26,312.50
  4. Step 4: Simplify right side
    48,668.50x = 1,767,214,070.63
  5. Step 5: Solve for x
    x = 1,767,214,070.63/48,668.50
  6. Step 6: Final answer
    x = 36,311.25

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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.