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Finding the Fourth Proportional to 7,176.36, 9,897.44 and 5,058.93

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Solution

The fourth proportional to 7,176.36, 9,897.44 and 5,058.93 is: 6,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.36 : 9,897.44 = 5,058.93 : x
  2. Step 2: Convert to fraction form
    7,176.36/9,897.44 = 5,058.93/x
  3. Step 3: Cross multiply
    7,176.36x = 9,897.44 × 5,058.93
  4. Step 4: Simplify right side
    7,176.36x = 50,070,430.84
  5. Step 5: Solve for x
    x = 50,070,430.84/7,176.36
  6. Step 6: Final answer
    x = 6,977.13

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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.