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Finding the Fourth Proportional to 10,950.76, 16,426.14 and 9,303.40

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Solution

The fourth proportional to 10,950.76, 16,426.14 and 9,303.40 is: 13,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.76 : 16,426.14 = 9,303.40 : x
  2. Step 2: Convert to fraction form
    10,950.76/16,426.14 = 9,303.40/x
  3. Step 3: Cross multiply
    10,950.76x = 16,426.14 × 9,303.40
  4. Step 4: Simplify right side
    10,950.76x = 152,818,950.88
  5. Step 5: Solve for x
    x = 152,818,950.88/10,950.76
  6. Step 6: Final answer
    x = 13,955.10

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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.