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Finding the Fourth Proportional to 6,492.96, 8,955.36 and 4,607.28

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Solution

The fourth proportional to 6,492.96, 8,955.36 and 4,607.28 is: 6,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.96 : 8,955.36 = 4,607.28 : x
  2. Step 2: Convert to fraction form
    6,492.96/8,955.36 = 4,607.28/x
  3. Step 3: Cross multiply
    6,492.96x = 8,955.36 × 4,607.28
  4. Step 4: Simplify right side
    6,492.96x = 41,259,851.02
  5. Step 5: Solve for x
    x = 41,259,851.02/6,492.96
  6. Step 6: Final answer
    x = 6,354.55

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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.