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Finding the Fourth Proportional to 34,931.99, 52,399.85 and 9,970.11

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Solution

The fourth proportional to 34,931.99, 52,399.85 and 9,970.11 is: 14,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,931.99 : 52,399.85 = 9,970.11 : x
  2. Step 2: Convert to fraction form
    34,931.99/52,399.85 = 9,970.11/x
  3. Step 3: Cross multiply
    34,931.99x = 52,399.85 × 9,970.11
  4. Step 4: Simplify right side
    34,931.99x = 522,432,218.63
  5. Step 5: Solve for x
    x = 522,432,218.63/34,931.99
  6. Step 6: Final answer
    x = 14,955.69

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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.