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Finding the Fourth Proportional to 14,038.51, 19,373.02 and 7,750.75

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Solution

The fourth proportional to 14,038.51, 19,373.02 and 7,750.75 is: 10,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.51 : 19,373.02 = 7,750.75 : x
  2. Step 2: Convert to fraction form
    14,038.51/19,373.02 = 7,750.75/x
  3. Step 3: Cross multiply
    14,038.51x = 19,373.02 × 7,750.75
  4. Step 4: Simplify right side
    14,038.51x = 150,155,434.77
  5. Step 5: Solve for x
    x = 150,155,434.77/14,038.51
  6. Step 6: Final answer
    x = 10,695.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.