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Finding the Fourth Proportional to 29,715.46, 44,580.08 and 8,656.00

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Solution

The fourth proportional to 29,715.46, 44,580.08 and 8,656.00 is: 12,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,715.46 : 44,580.08 = 8,656.00 : x
  2. Step 2: Convert to fraction form
    29,715.46/44,580.08 = 8,656.00/x
  3. Step 3: Cross multiply
    29,715.46x = 44,580.08 × 8,656.00
  4. Step 4: Simplify right side
    29,715.46x = 385,884,971.22
  5. Step 5: Solve for x
    x = 385,884,971.22/29,715.46
  6. Step 6: Final answer
    x = 12,986.00

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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.