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Finding the Fourth Proportional to 13,041.76, 19,582.08 and 9,153.76

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Solution

The fourth proportional to 13,041.76, 19,582.08 and 9,153.76 is: 13,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.76 : 19,582.08 = 9,153.76 : x
  2. Step 2: Convert to fraction form
    13,041.76/19,582.08 = 9,153.76/x
  3. Step 3: Cross multiply
    13,041.76x = 19,582.08 × 9,153.76
  4. Step 4: Simplify right side
    13,041.76x = 179,249,660.62
  5. Step 5: Solve for x
    x = 179,249,660.62/13,041.76
  6. Step 6: Final answer
    x = 13,744.28

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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.