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Finding the Fourth Proportional to 30,374.59, 45,569.20 and 9,598.09

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Solution

The fourth proportional to 30,374.59, 45,569.20 and 9,598.09 is: 14,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.59 : 45,569.20 = 9,598.09 : x
  2. Step 2: Convert to fraction form
    30,374.59/45,569.20 = 9,598.09/x
  3. Step 3: Cross multiply
    30,374.59x = 45,569.20 × 9,598.09
  4. Step 4: Simplify right side
    30,374.59x = 437,377,282.83
  5. Step 5: Solve for x
    x = 437,377,282.83/30,374.59
  6. Step 6: Final answer
    x = 14,399.45

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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.