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Finding the Fourth Proportional to 1,760.97, 2,430.10 and 975.02

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Solution

The fourth proportional to 1,760.97, 2,430.10 and 975.02 is: 1,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.97 : 2,430.10 = 975.02 : x
  2. Step 2: Convert to fraction form
    1,760.97/2,430.10 = 975.02/x
  3. Step 3: Cross multiply
    1,760.97x = 2,430.10 × 975.02
  4. Step 4: Simplify right side
    1,760.97x = 2,369,396.10
  5. Step 5: Solve for x
    x = 2,369,396.10/1,760.97
  6. Step 6: Final answer
    x = 1,345.51

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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.