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Finding the Fourth Proportional to 26,597.56, 36,703.02 and 15,417.40

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Solution

The fourth proportional to 26,597.56, 36,703.02 and 15,417.40 is: 21,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,597.56 : 36,703.02 = 15,417.40 : x
  2. Step 2: Convert to fraction form
    26,597.56/36,703.02 = 15,417.40/x
  3. Step 3: Cross multiply
    26,597.56x = 36,703.02 × 15,417.40
  4. Step 4: Simplify right side
    26,597.56x = 565,865,140.55
  5. Step 5: Solve for x
    x = 565,865,140.55/26,597.56
  6. Step 6: Final answer
    x = 21,275.08

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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.