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Finding the Fourth Proportional to 5,848.83, 8,740.91 and 5,239.71

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Solution

The fourth proportional to 5,848.83, 8,740.91 and 5,239.71 is: 7,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,848.83 : 8,740.91 = 5,239.71 : x
  2. Step 2: Convert to fraction form
    5,848.83/8,740.91 = 5,239.71/x
  3. Step 3: Cross multiply
    5,848.83x = 8,740.91 × 5,239.71
  4. Step 4: Simplify right side
    5,848.83x = 45,799,807.34
  5. Step 5: Solve for x
    x = 45,799,807.34/5,848.83
  6. Step 6: Final answer
    x = 7,830.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.