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Finding the Fourth Proportional to 15,959.42, 23,929.71 and 6,588.93

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Solution

The fourth proportional to 15,959.42, 23,929.71 and 6,588.93 is: 9,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.42 : 23,929.71 = 6,588.93 : x
  2. Step 2: Convert to fraction form
    15,959.42/23,929.71 = 6,588.93/x
  3. Step 3: Cross multiply
    15,959.42x = 23,929.71 × 6,588.93
  4. Step 4: Simplify right side
    15,959.42x = 157,671,184.11
  5. Step 5: Solve for x
    x = 157,671,184.11/15,959.42
  6. Step 6: Final answer
    x = 9,879.51

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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.