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Finding the Fourth Proportional to 8,444.60, 12,666.98 and 5,541.32

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Solution

The fourth proportional to 8,444.60, 12,666.98 and 5,541.32 is: 8,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444.60 : 12,666.98 = 5,541.32 : x
  2. Step 2: Convert to fraction form
    8,444.60/12,666.98 = 5,541.32/x
  3. Step 3: Cross multiply
    8,444.60x = 12,666.98 × 5,541.32
  4. Step 4: Simplify right side
    8,444.60x = 70,191,789.61
  5. Step 5: Solve for x
    x = 70,191,789.61/8,444.60
  6. Step 6: Final answer
    x = 8,312.03

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1.5x scale

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.