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Finding the Fourth Proportional to 26,503.65, 39,752.91 and 8,973.63

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Solution

The fourth proportional to 26,503.65, 39,752.91 and 8,973.63 is: 13,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,503.65 : 39,752.91 = 8,973.63 : x
  2. Step 2: Convert to fraction form
    26,503.65/39,752.91 = 8,973.63/x
  3. Step 3: Cross multiply
    26,503.65x = 39,752.91 × 8,973.63
  4. Step 4: Simplify right side
    26,503.65x = 356,727,905.76
  5. Step 5: Solve for x
    x = 356,727,905.76/26,503.65
  6. Step 6: Final answer
    x = 13,459.58

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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.