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Finding the Fourth Proportional to 9,035.60, 12,468.04 and 5,056.40

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Solution

The fourth proportional to 9,035.60, 12,468.04 and 5,056.40 is: 6,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,035.60 : 12,468.04 = 5,056.40 : x
  2. Step 2: Convert to fraction form
    9,035.60/12,468.04 = 5,056.40/x
  3. Step 3: Cross multiply
    9,035.60x = 12,468.04 × 5,056.40
  4. Step 4: Simplify right side
    9,035.60x = 63,043,397.46
  5. Step 5: Solve for x
    x = 63,043,397.46/9,035.60
  6. Step 6: Final answer
    x = 6,977.22

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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.