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Finding the Fourth Proportional to 29,659.60, 44,489.40 and 9,931.60

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Solution

The fourth proportional to 29,659.60, 44,489.40 and 9,931.60 is: 14,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,659.60 : 44,489.40 = 9,931.60 : x
  2. Step 2: Convert to fraction form
    29,659.60/44,489.40 = 9,931.60/x
  3. Step 3: Cross multiply
    29,659.60x = 44,489.40 × 9,931.60
  4. Step 4: Simplify right side
    29,659.60x = 441,850,925.04
  5. Step 5: Solve for x
    x = 441,850,925.04/29,659.60
  6. Step 6: Final answer
    x = 14,897.40

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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.