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Finding the Fourth Proportional to 52,394.76, 72,307.62 and 30,038.76

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Solution

The fourth proportional to 52,394.76, 72,307.62 and 30,038.76 is: 41,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,394.76 : 72,307.62 = 30,038.76 : x
  2. Step 2: Convert to fraction form
    52,394.76/72,307.62 = 30,038.76/x
  3. Step 3: Cross multiply
    52,394.76x = 72,307.62 × 30,038.76
  4. Step 4: Simplify right side
    52,394.76x = 2,172,031,243.35
  5. Step 5: Solve for x
    x = 2,172,031,243.35/52,394.76
  6. Step 6: Final answer
    x = 41,455.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.