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Finding the Fourth Proportional to 7,448.76, 10,277.28 and 4,795.20

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Solution

The fourth proportional to 7,448.76, 10,277.28 and 4,795.20 is: 6,616.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.76 : 10,277.28 = 4,795.20 : x
  2. Step 2: Convert to fraction form
    7,448.76/10,277.28 = 4,795.20/x
  3. Step 3: Cross multiply
    7,448.76x = 10,277.28 × 4,795.20
  4. Step 4: Simplify right side
    7,448.76x = 49,281,613.06
  5. Step 5: Solve for x
    x = 49,281,613.06/7,448.76
  6. Step 6: Final answer
    x = 6,616.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.