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Finding the Fourth Proportional to 52,598.58, 78,929.10 and 21,023.58

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Solution

The fourth proportional to 52,598.58, 78,929.10 and 21,023.58 is: 31,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,598.58 : 78,929.10 = 21,023.58 : x
  2. Step 2: Convert to fraction form
    52,598.58/78,929.10 = 21,023.58/x
  3. Step 3: Cross multiply
    52,598.58x = 78,929.10 × 21,023.58
  4. Step 4: Simplify right side
    52,598.58x = 1,659,372,248.18
  5. Step 5: Solve for x
    x = 1,659,372,248.18/52,598.58
  6. Step 6: Final answer
    x = 31,547.85

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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.