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Finding the Fourth Proportional to 53,314.65, 79,962.12 and 19,573.29

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Solution

The fourth proportional to 53,314.65, 79,962.12 and 19,573.29 is: 29,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,314.65 : 79,962.12 = 19,573.29 : x
  2. Step 2: Convert to fraction form
    53,314.65/79,962.12 = 19,573.29/x
  3. Step 3: Cross multiply
    53,314.65x = 79,962.12 × 19,573.29
  4. Step 4: Simplify right side
    53,314.65x = 1,565,121,763.77
  5. Step 5: Solve for x
    x = 1,565,121,763.77/53,314.65
  6. Step 6: Final answer
    x = 29,356.32

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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.