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Finding the Fourth Proportional to 6,510.98, 8,985.13 and 3,526.81

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Solution

The fourth proportional to 6,510.98, 8,985.13 and 3,526.81 is: 4,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.98 : 8,985.13 = 3,526.81 : x
  2. Step 2: Convert to fraction form
    6,510.98/8,985.13 = 3,526.81/x
  3. Step 3: Cross multiply
    6,510.98x = 8,985.13 × 3,526.81
  4. Step 4: Simplify right side
    6,510.98x = 31,688,815.06
  5. Step 5: Solve for x
    x = 31,688,815.06/6,510.98
  6. Step 6: Final answer
    x = 4,866.98

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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.