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Finding the Fourth Proportional to 19,345.95, 29,052.96 and 19,068.93

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Solution

The fourth proportional to 19,345.95, 29,052.96 and 19,068.93 is: 28,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.95 : 29,052.96 = 19,068.93 : x
  2. Step 2: Convert to fraction form
    19,345.95/29,052.96 = 19,068.93/x
  3. Step 3: Cross multiply
    19,345.95x = 29,052.96 × 19,068.93
  4. Step 4: Simplify right side
    19,345.95x = 554,008,860.53
  5. Step 5: Solve for x
    x = 554,008,860.53/19,345.95
  6. Step 6: Final answer
    x = 28,636.94

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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.