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Finding the Fourth Proportional to 10,529.94, 15,870.03 and 10,529.94

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Solution

The fourth proportional to 10,529.94, 15,870.03 and 10,529.94 is: 15,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.94 : 15,870.03 = 10,529.94 : x
  2. Step 2: Convert to fraction form
    10,529.94/15,870.03 = 10,529.94/x
  3. Step 3: Cross multiply
    10,529.94x = 15,870.03 × 10,529.94
  4. Step 4: Simplify right side
    10,529.94x = 167,110,463.70
  5. Step 5: Solve for x
    x = 167,110,463.70/10,529.94
  6. Step 6: Final answer
    x = 15,870.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.