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Finding the Fourth Proportional to 7,066.64, 10,549.54 and 7,017.68

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Solution

The fourth proportional to 7,066.64, 10,549.54 and 7,017.68 is: 10,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.64 : 10,549.54 = 7,017.68 : x
  2. Step 2: Convert to fraction form
    7,066.64/10,549.54 = 7,017.68/x
  3. Step 3: Cross multiply
    7,066.64x = 10,549.54 × 7,017.68
  4. Step 4: Simplify right side
    7,066.64x = 74,033,295.87
  5. Step 5: Solve for x
    x = 74,033,295.87/7,066.64
  6. Step 6: Final answer
    x = 10,476.45

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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.