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Finding the Fourth Proportional to 1,750.71, 2,416.02 and 964.74

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Solution

The fourth proportional to 1,750.71, 2,416.02 and 964.74 is: 1,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.71 : 2,416.02 = 964.74 : x
  2. Step 2: Convert to fraction form
    1,750.71/2,416.02 = 964.74/x
  3. Step 3: Cross multiply
    1,750.71x = 2,416.02 × 964.74
  4. Step 4: Simplify right side
    1,750.71x = 2,330,831.13
  5. Step 5: Solve for x
    x = 2,330,831.13/1,750.71
  6. Step 6: Final answer
    x = 1,331.36

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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.