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Finding the Fourth Proportional to 1,760.95, 2,430.14 and 975.01

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Solution

The fourth proportional to 1,760.95, 2,430.14 and 975.01 is: 1,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.95 : 2,430.14 = 975.01 : x
  2. Step 2: Convert to fraction form
    1,760.95/2,430.14 = 975.01/x
  3. Step 3: Cross multiply
    1,760.95x = 2,430.14 × 975.01
  4. Step 4: Simplify right side
    1,760.95x = 2,369,410.80
  5. Step 5: Solve for x
    x = 2,369,410.80/1,760.95
  6. Step 6: Final answer
    x = 1,345.53

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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.