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Finding the Fourth Proportional to 1,032.87, 1,547.84 and 570.86

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Solution

The fourth proportional to 1,032.87, 1,547.84 and 570.86 is: 855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.87 : 1,547.84 = 570.86 : x
  2. Step 2: Convert to fraction form
    1,032.87/1,547.84 = 570.86/x
  3. Step 3: Cross multiply
    1,032.87x = 1,547.84 × 570.86
  4. Step 4: Simplify right side
    1,032.87x = 883,593.63
  5. Step 5: Solve for x
    x = 883,593.63/1,032.87
  6. Step 6: Final answer
    x = 855.47

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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.