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Finding the Fourth Proportional to 8,853.60, 13,263.39 and 4,946.16

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Solution

The fourth proportional to 8,853.60, 13,263.39 and 4,946.16 is: 7,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.60 : 13,263.39 = 4,946.16 : x
  2. Step 2: Convert to fraction form
    8,853.60/13,263.39 = 4,946.16/x
  3. Step 3: Cross multiply
    8,853.60x = 13,263.39 × 4,946.16
  4. Step 4: Simplify right side
    8,853.60x = 65,602,849.08
  5. Step 5: Solve for x
    x = 65,602,849.08/8,853.60
  6. Step 6: Final answer
    x = 7,409.74

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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.