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Finding the Fourth Proportional to 32,615.39, 48,927.65 and 10,421.19

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Solution

The fourth proportional to 32,615.39, 48,927.65 and 10,421.19 is: 15,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,615.39 : 48,927.65 = 10,421.19 : x
  2. Step 2: Convert to fraction form
    32,615.39/48,927.65 = 10,421.19/x
  3. Step 3: Cross multiply
    32,615.39x = 48,927.65 × 10,421.19
  4. Step 4: Simplify right side
    32,615.39x = 509,884,284.80
  5. Step 5: Solve for x
    x = 509,884,284.80/32,615.39
  6. Step 6: Final answer
    x = 15,633.24

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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.