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Finding the Fourth Proportional to 28,536.19, 42,823.73 and 10,068.19

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Solution

The fourth proportional to 28,536.19, 42,823.73 and 10,068.19 is: 15,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,536.19 : 42,823.73 = 10,068.19 : x
  2. Step 2: Convert to fraction form
    28,536.19/42,823.73 = 10,068.19/x
  3. Step 3: Cross multiply
    28,536.19x = 42,823.73 × 10,068.19
  4. Step 4: Simplify right side
    28,536.19x = 431,157,368.26
  5. Step 5: Solve for x
    x = 431,157,368.26/28,536.19
  6. Step 6: Final answer
    x = 15,109.14

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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.