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Finding the Fourth Proportional to 30,651.74, 45,952.80 and 9,580.93

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Solution

The fourth proportional to 30,651.74, 45,952.80 and 9,580.93 is: 14,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651.74 : 45,952.80 = 9,580.93 : x
  2. Step 2: Convert to fraction form
    30,651.74/45,952.80 = 9,580.93/x
  3. Step 3: Cross multiply
    30,651.74x = 45,952.80 × 9,580.93
  4. Step 4: Simplify right side
    30,651.74x = 440,270,681.25
  5. Step 5: Solve for x
    x = 440,270,681.25/30,651.74
  6. Step 6: Final answer
    x = 14,363.64

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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.