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Finding the Fourth Proportional to 38,597.59, 53,289.93 and 29,691.64

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Solution

The fourth proportional to 38,597.59, 53,289.93 and 29,691.64 is: 40,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,597.59 : 53,289.93 = 29,691.64 : x
  2. Step 2: Convert to fraction form
    38,597.59/53,289.93 = 29,691.64/x
  3. Step 3: Cross multiply
    38,597.59x = 53,289.93 × 29,691.64
  4. Step 4: Simplify right side
    38,597.59x = 1,582,265,417.19
  5. Step 5: Solve for x
    x = 1,582,265,417.19/38,597.59
  6. Step 6: Final answer
    x = 40,993.89

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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.