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Finding the Fourth Proportional to 25,070.76, 34,597.76 and 13,892.76

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Solution

The fourth proportional to 25,070.76, 34,597.76 and 13,892.76 is: 19,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,070.76 : 34,597.76 = 13,892.76 : x
  2. Step 2: Convert to fraction form
    25,070.76/34,597.76 = 13,892.76/x
  3. Step 3: Cross multiply
    25,070.76x = 34,597.76 × 13,892.76
  4. Step 4: Simplify right side
    25,070.76x = 480,658,376.22
  5. Step 5: Solve for x
    x = 480,658,376.22/25,070.76
  6. Step 6: Final answer
    x = 19,172.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.