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Finding the Fourth Proportional to 18,161.60, 25,062.98 and 10,095.00

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Solution

The fourth proportional to 18,161.60, 25,062.98 and 10,095.00 is: 13,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.60 : 25,062.98 = 10,095.00 : x
  2. Step 2: Convert to fraction form
    18,161.60/25,062.98 = 10,095.00/x
  3. Step 3: Cross multiply
    18,161.60x = 25,062.98 × 10,095.00
  4. Step 4: Simplify right side
    18,161.60x = 253,010,638.64
  5. Step 5: Solve for x
    x = 253,010,638.64/18,161.60
  6. Step 6: Final answer
    x = 13,931.08

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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.