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Finding the Fourth Proportional to 13,897.58, 20,848.20 and 4,534.32

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Solution

The fourth proportional to 13,897.58, 20,848.20 and 4,534.32 is: 6,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.58 : 20,848.20 = 4,534.32 : x
  2. Step 2: Convert to fraction form
    13,897.58/20,848.20 = 4,534.32/x
  3. Step 3: Cross multiply
    13,897.58x = 20,848.20 × 4,534.32
  4. Step 4: Simplify right side
    13,897.58x = 94,532,410.22
  5. Step 5: Solve for x
    x = 94,532,410.22/13,897.58
  6. Step 6: Final answer
    x = 6,802.08

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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.