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Finding the Fourth Proportional to 8,595.81, 12,952.28 and 7,070.00

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Solution

The fourth proportional to 8,595.81, 12,952.28 and 7,070.00 is: 10,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.81 : 12,952.28 = 7,070.00 : x
  2. Step 2: Convert to fraction form
    8,595.81/12,952.28 = 7,070.00/x
  3. Step 3: Cross multiply
    8,595.81x = 12,952.28 × 7,070.00
  4. Step 4: Simplify right side
    8,595.81x = 91,572,519.49
  5. Step 5: Solve for x
    x = 91,572,519.49/8,595.81
  6. Step 6: Final answer
    x = 10,653.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.