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Finding the Fourth Proportional to 55,283.60, 82,925.34 and 13,730.60

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Solution

The fourth proportional to 55,283.60, 82,925.34 and 13,730.60 is: 20,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,283.60 : 82,925.34 = 13,730.60 : x
  2. Step 2: Convert to fraction form
    55,283.60/82,925.34 = 13,730.60/x
  3. Step 3: Cross multiply
    55,283.60x = 82,925.34 × 13,730.60
  4. Step 4: Simplify right side
    55,283.60x = 1,138,614,673.40
  5. Step 5: Solve for x
    x = 1,138,614,673.40/55,283.60
  6. Step 6: Final answer
    x = 20,595.89

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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.