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Finding the Fourth Proportional to 40,383.63, 60,585.03 and 12,681.63

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Solution

The fourth proportional to 40,383.63, 60,585.03 and 12,681.63 is: 19,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383.63 : 60,585.03 = 12,681.63 : x
  2. Step 2: Convert to fraction form
    40,383.63/60,585.03 = 12,681.63/x
  3. Step 3: Cross multiply
    40,383.63x = 60,585.03 × 12,681.63
  4. Step 4: Simplify right side
    40,383.63x = 768,316,934.00
  5. Step 5: Solve for x
    x = 768,316,934.00/40,383.63
  6. Step 6: Final answer
    x = 19,025.45

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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.