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Finding the Fourth Proportional to 58,461.32, 80,657.51 and 35,776.67

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Solution

The fourth proportional to 58,461.32, 80,657.51 and 35,776.67 is: 49,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,461.32 : 80,657.51 = 35,776.67 : x
  2. Step 2: Convert to fraction form
    58,461.32/80,657.51 = 35,776.67/x
  3. Step 3: Cross multiply
    58,461.32x = 80,657.51 × 35,776.67
  4. Step 4: Simplify right side
    58,461.32x = 2,885,656,536.12
  5. Step 5: Solve for x
    x = 2,885,656,536.12/58,461.32
  6. Step 6: Final answer
    x = 49,360.10

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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.