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Finding the Fourth Proportional to 7,457.00, 10,290.47 and 4,053.92

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Solution

The fourth proportional to 7,457.00, 10,290.47 and 4,053.92 is: 5,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.00 : 10,290.47 = 4,053.92 : x
  2. Step 2: Convert to fraction form
    7,457.00/10,290.47 = 4,053.92/x
  3. Step 3: Cross multiply
    7,457.00x = 10,290.47 × 4,053.92
  4. Step 4: Simplify right side
    7,457.00x = 41,716,670.42
  5. Step 5: Solve for x
    x = 41,716,670.42/7,457.00
  6. Step 6: Final answer
    x = 5,594.30

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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.