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Finding the Fourth Proportional to 45,569.34, 68,353.47 and 19,256.22

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Solution

The fourth proportional to 45,569.34, 68,353.47 and 19,256.22 is: 28,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,569.34 : 68,353.47 = 19,256.22 : x
  2. Step 2: Convert to fraction form
    45,569.34/68,353.47 = 19,256.22/x
  3. Step 3: Cross multiply
    45,569.34x = 68,353.47 × 19,256.22
  4. Step 4: Simplify right side
    45,569.34x = 1,316,229,456.08
  5. Step 5: Solve for x
    x = 1,316,229,456.08/45,569.34
  6. Step 6: Final answer
    x = 28,884.10

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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.