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Finding the Fourth Proportional to 26,762.68, 36,931.08 and 14,825.08

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Solution

The fourth proportional to 26,762.68, 36,931.08 and 14,825.08 is: 20,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,762.68 : 36,931.08 = 14,825.08 : x
  2. Step 2: Convert to fraction form
    26,762.68/36,931.08 = 14,825.08/x
  3. Step 3: Cross multiply
    26,762.68x = 36,931.08 × 14,825.08
  4. Step 4: Simplify right side
    26,762.68x = 547,506,215.49
  5. Step 5: Solve for x
    x = 547,506,215.49/26,762.68
  6. Step 6: Final answer
    x = 20,457.82

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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.