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Finding the Fourth Proportional to 18,335.60, 25,303.13 and 9,952.10

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Solution

The fourth proportional to 18,335.60, 25,303.13 and 9,952.10 is: 13,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.60 : 25,303.13 = 9,952.10 : x
  2. Step 2: Convert to fraction form
    18,335.60/25,303.13 = 9,952.10/x
  3. Step 3: Cross multiply
    18,335.60x = 25,303.13 × 9,952.10
  4. Step 4: Simplify right side
    18,335.60x = 251,819,280.07
  5. Step 5: Solve for x
    x = 251,819,280.07/18,335.60
  6. Step 6: Final answer
    x = 13,733.90

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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.