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Finding the Fourth Proportional to 7,659.66, 10,570.58 and 4,303.12

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Solution

The fourth proportional to 7,659.66, 10,570.58 and 4,303.12 is: 5,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.66 : 10,570.58 = 4,303.12 : x
  2. Step 2: Convert to fraction form
    7,659.66/10,570.58 = 4,303.12/x
  3. Step 3: Cross multiply
    7,659.66x = 10,570.58 × 4,303.12
  4. Step 4: Simplify right side
    7,659.66x = 45,486,484.97
  5. Step 5: Solve for x
    x = 45,486,484.97/7,659.66
  6. Step 6: Final answer
    x = 5,938.45

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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.