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Finding the Fourth Proportional to 10,775.12, 14,870.02 and 6,526.98

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Solution

The fourth proportional to 10,775.12, 14,870.02 and 6,526.98 is: 9,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.12 : 14,870.02 = 6,526.98 : x
  2. Step 2: Convert to fraction form
    10,775.12/14,870.02 = 6,526.98/x
  3. Step 3: Cross multiply
    10,775.12x = 14,870.02 × 6,526.98
  4. Step 4: Simplify right side
    10,775.12x = 97,056,323.14
  5. Step 5: Solve for x
    x = 97,056,323.14/10,775.12
  6. Step 6: Final answer
    x = 9,007.45

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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.