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Finding the Fourth Proportional to 7,492.16, 10,316.28 and 6,788.96

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Solution

The fourth proportional to 7,492.16, 10,316.28 and 6,788.96 is: 9,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.16 : 10,316.28 = 6,788.96 : x
  2. Step 2: Convert to fraction form
    7,492.16/10,316.28 = 6,788.96/x
  3. Step 3: Cross multiply
    7,492.16x = 10,316.28 × 6,788.96
  4. Step 4: Simplify right side
    7,492.16x = 70,036,812.27
  5. Step 5: Solve for x
    x = 70,036,812.27/7,492.16
  6. Step 6: Final answer
    x = 9,348.01

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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.