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Finding the Fourth Proportional to 9,618.66, 14,315.94 and 9,526.32

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Solution

The fourth proportional to 9,618.66, 14,315.94 and 9,526.32 is: 14,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.66 : 14,315.94 = 9,526.32 : x
  2. Step 2: Convert to fraction form
    9,618.66/14,315.94 = 9,526.32/x
  3. Step 3: Cross multiply
    9,618.66x = 14,315.94 × 9,526.32
  4. Step 4: Simplify right side
    9,618.66x = 136,378,225.54
  5. Step 5: Solve for x
    x = 136,378,225.54/9,618.66
  6. Step 6: Final answer
    x = 14,178.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.