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Finding the Fourth Proportional to 17,595.40, 24,277.74 and 10,421.74

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Solution

The fourth proportional to 17,595.40, 24,277.74 and 10,421.74 is: 14,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,595.40 : 24,277.74 = 10,421.74 : x
  2. Step 2: Convert to fraction form
    17,595.40/24,277.74 = 10,421.74/x
  3. Step 3: Cross multiply
    17,595.40x = 24,277.74 × 10,421.74
  4. Step 4: Simplify right side
    17,595.40x = 253,016,294.07
  5. Step 5: Solve for x
    x = 253,016,294.07/17,595.40
  6. Step 6: Final answer
    x = 14,379.68

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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.