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Finding the Fourth Proportional to 30,549.59, 45,831.56 and 9,488.54

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Solution

The fourth proportional to 30,549.59, 45,831.56 and 9,488.54 is: 14,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,549.59 : 45,831.56 = 9,488.54 : x
  2. Step 2: Convert to fraction form
    30,549.59/45,831.56 = 9,488.54/x
  3. Step 3: Cross multiply
    30,549.59x = 45,831.56 × 9,488.54
  4. Step 4: Simplify right side
    30,549.59x = 434,874,657.46
  5. Step 5: Solve for x
    x = 434,874,657.46/30,549.59
  6. Step 6: Final answer
    x = 14,235.04

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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.