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Finding the Fourth Proportional to 9,157.51, 12,637.50 and 4,965.76

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Solution

The fourth proportional to 9,157.51, 12,637.50 and 4,965.76 is: 6,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.51 : 12,637.50 = 4,965.76 : x
  2. Step 2: Convert to fraction form
    9,157.51/12,637.50 = 4,965.76/x
  3. Step 3: Cross multiply
    9,157.51x = 12,637.50 × 4,965.76
  4. Step 4: Simplify right side
    9,157.51x = 62,754,792
  5. Step 5: Solve for x
    x = 62,754,792/9,157.51
  6. Step 6: Final answer
    x = 6,852.82

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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.