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Finding the Fourth Proportional to 15,957.95, 23,926.64 and 7,637.76

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Solution

The fourth proportional to 15,957.95, 23,926.64 and 7,637.76 is: 11,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.95 : 23,926.64 = 7,637.76 : x
  2. Step 2: Convert to fraction form
    15,957.95/23,926.64 = 7,637.76/x
  3. Step 3: Cross multiply
    15,957.95x = 23,926.64 × 7,637.76
  4. Step 4: Simplify right side
    15,957.95x = 182,745,895.74
  5. Step 5: Solve for x
    x = 182,745,895.74/15,957.95
  6. Step 6: Final answer
    x = 11,451.72

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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.