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Finding the Fourth Proportional to 3,050.34, 4,575.54 and 970.35

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Solution

The fourth proportional to 3,050.34, 4,575.54 and 970.35 is: 1,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.34 : 4,575.54 = 970.35 : x
  2. Step 2: Convert to fraction form
    3,050.34/4,575.54 = 970.35/x
  3. Step 3: Cross multiply
    3,050.34x = 4,575.54 × 970.35
  4. Step 4: Simplify right side
    3,050.34x = 4,439,875.24
  5. Step 5: Solve for x
    x = 4,439,875.24/3,050.34
  6. Step 6: Final answer
    x = 1,455.53

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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.