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Finding the Fourth Proportional to 10,328.32, 15,492.48 and 4,168

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Solution

The fourth proportional to 10,328.32, 15,492.48 and 4,168 is: 6,252

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.32 : 15,492.48 = 4,168 : x
  2. Step 2: Convert to fraction form
    10,328.32/15,492.48 = 4,168/x
  3. Step 3: Cross multiply
    10,328.32x = 15,492.48 × 4,168
  4. Step 4: Simplify right side
    10,328.32x = 64,572,656.64
  5. Step 5: Solve for x
    x = 64,572,656.64/10,328.32
  6. Step 6: Final answer
    x = 6,252

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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.