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Finding the Fourth Proportional to 1,030.05, 1,543.86 and 595.08

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Solution

The fourth proportional to 1,030.05, 1,543.86 and 595.08 is: 891.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.05 : 1,543.86 = 595.08 : x
  2. Step 2: Convert to fraction form
    1,030.05/1,543.86 = 595.08/x
  3. Step 3: Cross multiply
    1,030.05x = 1,543.86 × 595.08
  4. Step 4: Simplify right side
    1,030.05x = 918,720.21
  5. Step 5: Solve for x
    x = 918,720.21/1,030.05
  6. Step 6: Final answer
    x = 891.92

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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.