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Finding the Fourth Proportional to 52,602.32, 78,899.16 and 15,666.32

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Solution

The fourth proportional to 52,602.32, 78,899.16 and 15,666.32 is: 23,498.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,602.32 : 78,899.16 = 15,666.32 : x
  2. Step 2: Convert to fraction form
    52,602.32/78,899.16 = 15,666.32/x
  3. Step 3: Cross multiply
    52,602.32x = 78,899.16 × 15,666.32
  4. Step 4: Simplify right side
    52,602.32x = 1,236,059,488.29
  5. Step 5: Solve for x
    x = 1,236,059,488.29/52,602.32
  6. Step 6: Final answer
    x = 23,498.19

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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.