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Finding the Fourth Proportional to 35,283.71, 48,691.73 and 19,368.29

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Solution

The fourth proportional to 35,283.71, 48,691.73 and 19,368.29 is: 26,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,283.71 : 48,691.73 = 19,368.29 : x
  2. Step 2: Convert to fraction form
    35,283.71/48,691.73 = 19,368.29/x
  3. Step 3: Cross multiply
    35,283.71x = 48,691.73 × 19,368.29
  4. Step 4: Simplify right side
    35,283.71x = 943,075,547.24
  5. Step 5: Solve for x
    x = 943,075,547.24/35,283.71
  6. Step 6: Final answer
    x = 26,728.36

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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.