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Finding the Fourth Proportional to 73,590.58, 110,386.88 and 21,000.04

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Solution

The fourth proportional to 73,590.58, 110,386.88 and 21,000.04 is: 31,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,590.58 : 110,386.88 = 21,000.04 : x
  2. Step 2: Convert to fraction form
    73,590.58/110,386.88 = 21,000.04/x
  3. Step 3: Cross multiply
    73,590.58x = 110,386.88 × 21,000.04
  4. Step 4: Simplify right side
    73,590.58x = 2,318,128,895.48
  5. Step 5: Solve for x
    x = 2,318,128,895.48/73,590.58
  6. Step 6: Final answer
    x = 31,500.35

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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.