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Finding the Fourth Proportional to 10,526.72, 14,526.72 and 6,337.28

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Solution

The fourth proportional to 10,526.72, 14,526.72 and 6,337.28 is: 8,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526.72 : 14,526.72 = 6,337.28 : x
  2. Step 2: Convert to fraction form
    10,526.72/14,526.72 = 6,337.28/x
  3. Step 3: Cross multiply
    10,526.72x = 14,526.72 × 6,337.28
  4. Step 4: Simplify right side
    10,526.72x = 92,059,892.12
  5. Step 5: Solve for x
    x = 92,059,892.12/10,526.72
  6. Step 6: Final answer
    x = 8,745.35

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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.