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Finding the Fourth Proportional to 16,655.66, 22,985.48 and 9,582.08

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Solution

The fourth proportional to 16,655.66, 22,985.48 and 9,582.08 is: 13,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.66 : 22,985.48 = 9,582.08 : x
  2. Step 2: Convert to fraction form
    16,655.66/22,985.48 = 9,582.08/x
  3. Step 3: Cross multiply
    16,655.66x = 22,985.48 × 9,582.08
  4. Step 4: Simplify right side
    16,655.66x = 220,248,708.20
  5. Step 5: Solve for x
    x = 220,248,708.20/16,655.66
  6. Step 6: Final answer
    x = 13,223.66

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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.