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Finding the Fourth Proportional to 35,572.54, 53,358.80 and 9,277.21

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Solution

The fourth proportional to 35,572.54, 53,358.80 and 9,277.21 is: 13,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,572.54 : 53,358.80 = 9,277.21 : x
  2. Step 2: Convert to fraction form
    35,572.54/53,358.80 = 9,277.21/x
  3. Step 3: Cross multiply
    35,572.54x = 53,358.80 × 9,277.21
  4. Step 4: Simplify right side
    35,572.54x = 495,020,479.77
  5. Step 5: Solve for x
    x = 495,020,479.77/35,572.54
  6. Step 6: Final answer
    x = 13,915.81

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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.