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Finding the Fourth Proportional to 1,532.93, 2,298.85 and 711.05

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Solution

The fourth proportional to 1,532.93, 2,298.85 and 711.05 is: 1,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.93 : 2,298.85 = 711.05 : x
  2. Step 2: Convert to fraction form
    1,532.93/2,298.85 = 711.05/x
  3. Step 3: Cross multiply
    1,532.93x = 2,298.85 × 711.05
  4. Step 4: Simplify right side
    1,532.93x = 1,634,597.29
  5. Step 5: Solve for x
    x = 1,634,597.29/1,532.93
  6. Step 6: Final answer
    x = 1,066.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.