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Finding the Fourth Proportional to 5,931.60, 8,897.39 and 5,570.75

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Solution

The fourth proportional to 5,931.60, 8,897.39 and 5,570.75 is: 8,356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.60 : 8,897.39 = 5,570.75 : x
  2. Step 2: Convert to fraction form
    5,931.60/8,897.39 = 5,570.75/x
  3. Step 3: Cross multiply
    5,931.60x = 8,897.39 × 5,570.75
  4. Step 4: Simplify right side
    5,931.60x = 49,565,135.34
  5. Step 5: Solve for x
    x = 49,565,135.34/5,931.60
  6. Step 6: Final answer
    x = 8,356.12

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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.