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Finding the Fourth Proportional to 32,616.76, 45,008.52 and 19,188.52

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Solution

The fourth proportional to 32,616.76, 45,008.52 and 19,188.52 is: 26,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,616.76 : 45,008.52 = 19,188.52 : x
  2. Step 2: Convert to fraction form
    32,616.76/45,008.52 = 19,188.52/x
  3. Step 3: Cross multiply
    32,616.76x = 45,008.52 × 19,188.52
  4. Step 4: Simplify right side
    32,616.76x = 863,646,886.19
  5. Step 5: Solve for x
    x = 863,646,886.19/32,616.76
  6. Step 6: Final answer
    x = 26,478.62

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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.