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Finding the Fourth Proportional to 35,212.40, 52,813.80 and 10,588.40

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Solution

The fourth proportional to 35,212.40, 52,813.80 and 10,588.40 is: 15,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,212.40 : 52,813.80 = 10,588.40 : x
  2. Step 2: Convert to fraction form
    35,212.40/52,813.80 = 10,588.40/x
  3. Step 3: Cross multiply
    35,212.40x = 52,813.80 × 10,588.40
  4. Step 4: Simplify right side
    35,212.40x = 559,213,639.92
  5. Step 5: Solve for x
    x = 559,213,639.92/35,212.40
  6. Step 6: Final answer
    x = 15,881.16

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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.