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Finding the Fourth Proportional to 1,532.52, 2,114.10 and 973.62

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Solution

The fourth proportional to 1,532.52, 2,114.10 and 973.62 is: 1,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.52 : 2,114.10 = 973.62 : x
  2. Step 2: Convert to fraction form
    1,532.52/2,114.10 = 973.62/x
  3. Step 3: Cross multiply
    1,532.52x = 2,114.10 × 973.62
  4. Step 4: Simplify right side
    1,532.52x = 2,058,330.04
  5. Step 5: Solve for x
    x = 2,058,330.04/1,532.52
  6. Step 6: Final answer
    x = 1,343.10

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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.