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Finding the Fourth Proportional to 2,359.60, 3,538.86 and 716.16

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Solution

The fourth proportional to 2,359.60, 3,538.86 and 716.16 is: 1,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.60 : 3,538.86 = 716.16 : x
  2. Step 2: Convert to fraction form
    2,359.60/3,538.86 = 716.16/x
  3. Step 3: Cross multiply
    2,359.60x = 3,538.86 × 716.16
  4. Step 4: Simplify right side
    2,359.60x = 2,534,389.98
  5. Step 5: Solve for x
    x = 2,534,389.98/2,359.60
  6. Step 6: Final answer
    x = 1,074.08

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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.