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Finding the Fourth Proportional to 1,054.47, 1,582.39 and 567.86

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Solution

The fourth proportional to 1,054.47, 1,582.39 and 567.86 is: 852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054.47 : 1,582.39 = 567.86 : x
  2. Step 2: Convert to fraction form
    1,054.47/1,582.39 = 567.86/x
  3. Step 3: Cross multiply
    1,054.47x = 1,582.39 × 567.86
  4. Step 4: Simplify right side
    1,054.47x = 898,574.49
  5. Step 5: Solve for x
    x = 898,574.49/1,054.47
  6. Step 6: Final answer
    x = 852.16

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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.