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Finding the Fourth Proportional to 9,951.68, 14,925.68 and 7,020.96

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Solution

The fourth proportional to 9,951.68, 14,925.68 and 7,020.96 is: 10,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.68 : 14,925.68 = 7,020.96 : x
  2. Step 2: Convert to fraction form
    9,951.68/14,925.68 = 7,020.96/x
  3. Step 3: Cross multiply
    9,951.68x = 14,925.68 × 7,020.96
  4. Step 4: Simplify right side
    9,951.68x = 104,792,602.25
  5. Step 5: Solve for x
    x = 104,792,602.25/9,951.68
  6. Step 6: Final answer
    x = 10,530.14

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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.