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Finding the Fourth Proportional to 16,904.60, 25,339.02 and 7,030.16

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Solution

The fourth proportional to 16,904.60, 25,339.02 and 7,030.16 is: 10,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.60 : 25,339.02 = 7,030.16 : x
  2. Step 2: Convert to fraction form
    16,904.60/25,339.02 = 7,030.16/x
  3. Step 3: Cross multiply
    16,904.60x = 25,339.02 × 7,030.16
  4. Step 4: Simplify right side
    16,904.60x = 178,137,364.84
  5. Step 5: Solve for x
    x = 178,137,364.84/16,904.60
  6. Step 6: Final answer
    x = 10,537.80

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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.