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Finding the Fourth Proportional to 40,497.61, 60,746.96 and 14,203.12

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Solution

The fourth proportional to 40,497.61, 60,746.96 and 14,203.12 is: 21,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,497.61 : 60,746.96 = 14,203.12 : x
  2. Step 2: Convert to fraction form
    40,497.61/60,746.96 = 14,203.12/x
  3. Step 3: Cross multiply
    40,497.61x = 60,746.96 × 14,203.12
  4. Step 4: Simplify right side
    40,497.61x = 862,796,291.50
  5. Step 5: Solve for x
    x = 862,796,291.50/40,497.61
  6. Step 6: Final answer
    x = 21,304.87

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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.