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Finding the Fourth Proportional to 9,925.47, 14,891.64 and 6,607.05

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Solution

The fourth proportional to 9,925.47, 14,891.64 and 6,607.05 is: 9,912.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.47 : 14,891.64 = 6,607.05 : x
  2. Step 2: Convert to fraction form
    9,925.47/14,891.64 = 6,607.05/x
  3. Step 3: Cross multiply
    9,925.47x = 14,891.64 × 6,607.05
  4. Step 4: Simplify right side
    9,925.47x = 98,389,810.06
  5. Step 5: Solve for x
    x = 98,389,810.06/9,925.47
  6. Step 6: Final answer
    x = 9,912.86

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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.