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Finding the Fourth Proportional to 52,653.32, 78,979.98 and 17,592.98

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Solution

The fourth proportional to 52,653.32, 78,979.98 and 17,592.98 is: 26,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653.32 : 78,979.98 = 17,592.98 : x
  2. Step 2: Convert to fraction form
    52,653.32/78,979.98 = 17,592.98/x
  3. Step 3: Cross multiply
    52,653.32x = 78,979.98 × 17,592.98
  4. Step 4: Simplify right side
    52,653.32x = 1,389,492,813.64
  5. Step 5: Solve for x
    x = 1,389,492,813.64/52,653.32
  6. Step 6: Final answer
    x = 26,389.47

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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.