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Finding the Fourth Proportional to 21,681.58, 32,518.59 and 6,095.50

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Solution

The fourth proportional to 21,681.58, 32,518.59 and 6,095.50 is: 9,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,681.58 : 32,518.59 = 6,095.50 : x
  2. Step 2: Convert to fraction form
    21,681.58/32,518.59 = 6,095.50/x
  3. Step 3: Cross multiply
    21,681.58x = 32,518.59 × 6,095.50
  4. Step 4: Simplify right side
    21,681.58x = 198,217,065.35
  5. Step 5: Solve for x
    x = 198,217,065.35/21,681.58
  6. Step 6: Final answer
    x = 9,142.19

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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.