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Finding the Fourth Proportional to 14,061.79, 19,403.04 and 9,030.61

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Solution

The fourth proportional to 14,061.79, 19,403.04 and 9,030.61 is: 12,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,061.79 : 19,403.04 = 9,030.61 : x
  2. Step 2: Convert to fraction form
    14,061.79/19,403.04 = 9,030.61/x
  3. Step 3: Cross multiply
    14,061.79x = 19,403.04 × 9,030.61
  4. Step 4: Simplify right side
    14,061.79x = 175,221,287.05
  5. Step 5: Solve for x
    x = 175,221,287.05/14,061.79
  6. Step 6: Final answer
    x = 12,460.81

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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.