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Finding the Fourth Proportional to 65,459.04, 90,332.67 and 37,162.90

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Solution

The fourth proportional to 65,459.04, 90,332.67 and 37,162.90 is: 51,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,459.04 : 90,332.67 = 37,162.90 : x
  2. Step 2: Convert to fraction form
    65,459.04/90,332.67 = 37,162.90/x
  3. Step 3: Cross multiply
    65,459.04x = 90,332.67 × 37,162.90
  4. Step 4: Simplify right side
    65,459.04x = 3,357,024,025.18
  5. Step 5: Solve for x
    x = 3,357,024,025.18/65,459.04
  6. Step 6: Final answer
    x = 51,284.35

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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.