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Finding the Fourth Proportional to 61,398.72, 92,097.68 and 15,806.32

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Solution

The fourth proportional to 61,398.72, 92,097.68 and 15,806.32 is: 23,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,398.72 : 92,097.68 = 15,806.32 : x
  2. Step 2: Convert to fraction form
    61,398.72/92,097.68 = 15,806.32/x
  3. Step 3: Cross multiply
    61,398.72x = 92,097.68 × 15,806.32
  4. Step 4: Simplify right side
    61,398.72x = 1,455,725,401.34
  5. Step 5: Solve for x
    x = 1,455,725,401.34/61,398.72
  6. Step 6: Final answer
    x = 23,709.38

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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.