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Finding the Fourth Proportional to 1,509.48, 2,083.10 and 846.35

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Solution

The fourth proportional to 1,509.48, 2,083.10 and 846.35 is: 1,167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.48 : 2,083.10 = 846.35 : x
  2. Step 2: Convert to fraction form
    1,509.48/2,083.10 = 846.35/x
  3. Step 3: Cross multiply
    1,509.48x = 2,083.10 × 846.35
  4. Step 4: Simplify right side
    1,509.48x = 1,763,017.04
  5. Step 5: Solve for x
    x = 1,763,017.04/1,509.48
  6. Step 6: Final answer
    x = 1,167.96

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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.