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Finding the Fourth Proportional to 86,628.64, 119,547.51 and 46,884.64

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Solution

The fourth proportional to 86,628.64, 119,547.51 and 46,884.64 is: 64,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,628.64 : 119,547.51 = 46,884.64 : x
  2. Step 2: Convert to fraction form
    86,628.64/119,547.51 = 46,884.64/x
  3. Step 3: Cross multiply
    86,628.64x = 119,547.51 × 46,884.64
  4. Step 4: Simplify right side
    86,628.64x = 5,604,941,969.25
  5. Step 5: Solve for x
    x = 5,604,941,969.25/86,628.64
  6. Step 6: Final answer
    x = 64,700.80

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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.