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Finding the Fourth Proportional to 15,903.42, 23,828.59 and 7,005.51

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Solution

The fourth proportional to 15,903.42, 23,828.59 and 7,005.51 is: 10,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.42 : 23,828.59 = 7,005.51 : x
  2. Step 2: Convert to fraction form
    15,903.42/23,828.59 = 7,005.51/x
  3. Step 3: Cross multiply
    15,903.42x = 23,828.59 × 7,005.51
  4. Step 4: Simplify right side
    15,903.42x = 166,931,425.53
  5. Step 5: Solve for x
    x = 166,931,425.53/15,903.42
  6. Step 6: Final answer
    x = 10,496.57

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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.