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Finding the Fourth Proportional to 10,009.59, 14,985.22 and 9,630.51

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Solution

The fourth proportional to 10,009.59, 14,985.22 and 9,630.51 is: 14,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.59 : 14,985.22 = 9,630.51 : x
  2. Step 2: Convert to fraction form
    10,009.59/14,985.22 = 9,630.51/x
  3. Step 3: Cross multiply
    10,009.59x = 14,985.22 × 9,630.51
  4. Step 4: Simplify right side
    10,009.59x = 144,315,286.99
  5. Step 5: Solve for x
    x = 144,315,286.99/10,009.59
  6. Step 6: Final answer
    x = 14,417.70

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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.