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Finding the Fourth Proportional to 15,892.60, 23,818.74 and 7,127.16

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Solution

The fourth proportional to 15,892.60, 23,818.74 and 7,127.16 is: 10,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,892.60 : 23,818.74 = 7,127.16 : x
  2. Step 2: Convert to fraction form
    15,892.60/23,818.74 = 7,127.16/x
  3. Step 3: Cross multiply
    15,892.60x = 23,818.74 × 7,127.16
  4. Step 4: Simplify right side
    15,892.60x = 169,759,970.98
  5. Step 5: Solve for x
    x = 169,759,970.98/15,892.60
  6. Step 6: Final answer
    x = 10,681.70

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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.