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Finding the Fourth Proportional to 40,586.49, 56,009.19 and 22,681.49

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Solution

The fourth proportional to 40,586.49, 56,009.19 and 22,681.49 is: 31,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,586.49 : 56,009.19 = 22,681.49 : x
  2. Step 2: Convert to fraction form
    40,586.49/56,009.19 = 22,681.49/x
  3. Step 3: Cross multiply
    40,586.49x = 56,009.19 × 22,681.49
  4. Step 4: Simplify right side
    40,586.49x = 1,270,371,882.89
  5. Step 5: Solve for x
    x = 1,270,371,882.89/40,586.49
  6. Step 6: Final answer
    x = 31,300.36

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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.