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Finding the Fourth Proportional to 10,559.70, 15,772.11 and 9,557.52

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Solution

The fourth proportional to 10,559.70, 15,772.11 and 9,557.52 is: 14,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.70 : 15,772.11 = 9,557.52 : x
  2. Step 2: Convert to fraction form
    10,559.70/15,772.11 = 9,557.52/x
  3. Step 3: Cross multiply
    10,559.70x = 15,772.11 × 9,557.52
  4. Step 4: Simplify right side
    10,559.70x = 150,742,256.77
  5. Step 5: Solve for x
    x = 150,742,256.77/10,559.70
  6. Step 6: Final answer
    x = 14,275.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.